Common and Scientific Names for Landscape Plants

by Rod Smith

Former Iowa Certified Nurseryman and Oregon Certified Nursery Professional

© 2010-2022 Rodney A. Smith

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Plant descriptions listed by Scientific Name.
Perennials | Shrubs | Trees | Vines | House Plants | Herbs | Oregon Native Plants | Oregon Invasive Weeds


Click on the first letter of the alphabet to go to that section and find the Common Name.
Click on the Link to go to the right web page. Find the description listed under the Scientific Name.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Common Name                       Scientific Name                           Link

A
Aaron's Beard                     Hypericum calycinum                       Perennials
Abelia, Glossy                    Abelia grandiflora                        Shrubs
Actea                             Cimicifuga racemosa                       Perennials
Adams Needle Yucca                Yucca filamentosa                         Perennials
African Daisy                     Osteospermum barberae                     Perennials
African Iris                      Dietes bicolor                            Perennials
African Violet                    Saintpaulia ionatha                       House Plant
Agapanthus                        Agapanthus africanus                      Perennials
Ajuga                             Ajuga reptans                             Perennials
Akebia, Fiveleaf                  Akebia quinata                            Vines
Alaska Cedar, Weeping             Chamaecyparis nootkatensis 'Pendula'      Trees
Alaskan Blue Willow               Salix purpurea nana                       Shrubs
Alaskan Fern                      Polystichum setiferum                     Perennials
Alberta Spruce                    Picea glauca 'Conica'                     Shrubs
Alder, Red                        Alnus rubra                               Trees
Allium, Giant                     Allium giganteum                          Perennials
Allspice, Carolina                Calycanthus floridus                      Shrubs
Allysum, Gold Dust                Aurinia saxatilis                         Perennials
Almond, Flowering                 Prunus glandulosa                         Shrubs
Alocasia                          Alocasia spp.                             House Plant
Aloe                              Aloe vera                                 House Plant
Alpine Currant                    Ribes alpinum                             Shrubs
Alpine Fir                        Abies lasiocarpa                          Trees
Alum Root                         Heuchera micrantha                        Oregon Native
Aluminum Plant                    Pilea cadierei                            House Plant
Amaranth, Globe                   Gomphrena globosa                         Perennials
Amaryllis                         Hippeastrum spp.                          House Plant
American Bittersweet              Celastrus scandens                        Vines
American Cranberry Bush           Viburnum trilobum                         Shrubs
American Grape                    Vitis labrusca                            Vines
Amur Maple                        Acer ginnala                              Trees
Andromeda                         Pieris japonica                           Shrubs
Andromeda, Prelude                Pieris taiwanensis 'Prelude'              Shrubs
Andromeda, Taiwan                 Pieris taiwanensis                        Shrubs
Anemone                           Anemone blanda                            Perennials
Anemone, Japanese                 Anemone huphensis                         Perennials
Angel's Trumpet                   Brugmansia species (Datura)               Perennials
Anthony Waterer Spiraea           Spiraea bumalda 'Anthony Waterer'         Shrubs
Apple                             Malus domestica                           Trees
Apple Serviceberry                Amelanchier grandiflora                   Trees
Aralia, False                     Dizygotheca elegantissima                 House Plant
Aralia, Fernleaf                  Dizygotheca balfourianna                  House Plant
Aralia, Japanese                  Fatsia japonica                           Shrubs
Arborvitae, Emerald               Thuja occidentalis 'Emerald'              Trees
Arborvitae, Golden Berkman        Platycladus orientalis 'Aurea Nana'       Shrubs
Arborvitae, Goldspot              Thuja occidentalis 'Goldspot'             Trees
Arborvitae, Pyramidal             Thuja occidentalis                        Trees
Arborvitae, Rheingold             Thuja occidentalis 'Rheingold'            Shrubs
Arborvitae, Woodward Globe        Thuja occidentalis 'Woodwardii'           Shrubs
Aretmisia                         Artemisia species                         Perennials
Arizona Cypress                   Cupressus glabra                          Trees
Armandi Evergreen Clematis        Clematis armandii                         Vines
Armenian Blackberry               Rubus armeniacus                          Oregon Weed
Armeria                           Armeria maritima                          Perennials
Armstrong Red Maple               Acer rubrum 'Armstrong'                   Trees
Arrowleaf Balsamroot              Balsamorhiza sagittata                    Oregon Native
Ash Leaf Spirea                   Sorbaria sorbifolia                       Shrubs
Ash, European Mountain            Sorbus aucuparia                          Trees
Ash, Marshall's Seedless          Fraxinus pennsylvanica 'Marshall          Trees
Ash, Raywood                      Fraxinus oxycarpa 'Raywood'               Trees
Ash, White                        Fraxinus americana                        Trees
Asian Lily                        Lilium asiatic hybrids                    Perennials
Asian Pear                        Pyrus pyrifolia                           Trees
Asparagus Fern                    Asparagus species                         House Plant
Aspen, Quaking                    Populus tremuloides                       Trees
Aster                             Aster species                             Perennials
Aster, Douglas                    Aster subspicatus                         Oregon Native
Aster, Frikart's                  Aster frikartii                           Perennials
Aster, Stokes                     Stokesia laevis                           Perennials   
Aster, Wartburg                   Aster tongolensis 'Wartburg'              Perennials   
Astilbe                           Astilbe arendsii                          Perennials   
Austrian Pine                     Pinus nigra                               Trees
Autumn Fern                       Dryopteris erythrosora                    Perennials
Autumn Olive                      Elaeagnus ebbingei                        Shrubs
Azalea Exbury                     Azalea exbury                             Shrubs
Azalea, Evergreen                 Azalea                                    Shrubs
Azalea, Gumpo                     Azalea 'Gumpo'                            Shrubs
Azalea, Royal                     Azalea schlippenbachii                    Shrubs
Azalea, Western                   Azalea occidentale                        Shrubs

B
Baby Tears                        Soleirolia soleirolii                     Perennials
Baby's Breath                     Gypsophila paniculata                     Perennials
Bald Cypress                      Taxodium distichum                        Trees
Baloon Flower                     Platycodon grandiflorus                   Perennials
Balsamroot, Arrowleaf             Balsamorhiza sagittata                    Oregon Native
Bamboo, Black                     Phyllostachys nigra                       Shrubs
Bamboo, Fountain                  Fargesia nitida                           Shrubs
Bamboo, Golden                    Phyllostachys aurea                       Shrubs
Bamboo, Heavenly                  Nandina domestica                         Shrubs
Bamboo, Pygmy                     Sasa pygmea                               Shrubs
Bamboo, Timber                    Phyllostachys bambusoides                 Shrubs
Banana Shrub                      Michelia figo                             Shrubs
Banana, Golden Lotus              Musella lasiocarpa                        Shrubs
Banana, Hardy Japanese            Musa basjoo                               Shrubs
Bar Harbor Juniper                Juniperus horizontalis 'Bar Harbor'       Shrubs
Barberry, Crimson Pygmy           Berberis thunbergii 'Crimson Pygmy        Shrubs
Barberry, Japanese                Berberis thunbergii                       Shrubs
Barberry, Threespine              Berberis triacanthophora                  Shrubs
Barberry, Warty                   Berberis verruculosa                      Shrubs
Barberry, William Penn            Berberis gladwynesis 'William Penn'       Shrubs
Barren Strawberry                 Waldestenia fragarioides                  Perennials
Basil                             Ocimum species                            Herbs
Basket Of Gold                    Aurinia saxatilis                         Perennials
Bay Laurel                        Laurus nobilis                            Shrubs
Baby Tears                        Soleirolia soleirolii                     Perennials
Bear Grass                        Xerophyllum tenax                         Perennials
Bearberry Cotoneaster             Cotoneaster dammeri                       Perennials
Beard Tongue                      Penstemon species                         Perennials
Bearded Iris                      Iris hybrids                              Perennials
Beargrass                         Xerophyllum tenax                         Perennials
Beauty Bush                       Kolkwitzia amabilis                       Shrubs
Beautyberry, Profusion            Callicarpa bodinieri 'Profusion'          Shrubs
Bee balm, Bergamot                Monarda didyma                            Perennials
Beech, European                   Fagus sylvatica                           Trees
Beech, Tricolor                   Fagus sylvatica 'Roseomarginata'          Trees
Beech, Weeping Copper             Fagus sylvatica 'Purpurea Pendula'        Trees
Begonia                           Begonia spp.                              House Plant
Begonia, Strawberry               Saxifraga stolonifera                     House Plant
Bellflower                        Campanula species                         Perennials
Bergamot, Bee balm                Monarda didyma                            Perennials
Bergenia, Heartleaf               Bergenia cordifolia                       Perennials
Berkeley Sedge                    Carex tumulicola                          Oregon Native
Berkman Arborvitae                Platycladus orientalis 'Aurea Nana'       Shrubs
Berry Vine, Porcelain             Ampelopsis brivipendunculata              Vines
Big Leafed Hydrangea              Hydrangea macrophylla                     Shrubs
Bigleaf Maple                     Acer macrophyllum                         Trees
Birch Bark Cherry                 Prunus serrula                            Trees
Birch, European White             Betula pendula                            Trees
Birch, Himalayan                  Betula jacquemontii                       Trees
Birch, Paper Or Canoe             Betula papyrifera                         Trees
Birch, River                      Betula nigra                              Trees
Birch, Weeping European           Betula pendula 'Youngii'                  Trees
Birchleaf Spirea                  Spiraea betulifolia                       Oregon Native
Bird of Paradise                  Strelitzia reginae                        House Plant
Bird's Nest Fern                  Asplenium nidus                           House Plant
Bird's Nest Lawson Cypress        Chamaecyparis lawsoniana 'Nidiformis'     Shrubs
Bird's Nest Spruce                Picea abies 'Nidiformis'                  Shrubs
Bishop's Hat                      Epimedium grandiflorum                    Perennials
Bishop's Weed, Variegated         Aegopodium podagraria variegata           Perennials
Bittersweet, American             Celastrus scandens                        Vines
Black Bamboo                      Phyllostachys nigra                       Shrubs
Black Cohosh                      Cimicifuga racemosa                       Perennials
Black Eyed Susan                  Rudbeckia hirta                           Perennials
Black Gum                         Nyssa sylvatica                           Trees
Black Locust                      Robinia pseudoacadia                      Trees
Black Locust, Twisty Baby         Robinia pseudoacacia 'Lace Lady'          Trees
Black Mondo Grass                 Ophiopogon planiscapus 'Nigra'            Perennials
Black Pine, Japanese              Pinus thunbergii                          Trees
Blackberry                        Rubus ursinus                             Shrubs
Blackberry, Armenian              Rubus armeniacus                          Oregon Weed
Blackberry, Himalayan             Rubus discolor                            Oregon Weed
Blackberry, Himalayan             Rubus procerus                            Oregon Weed
Blanket Flower                    Gaillardia grandiflora                    Perennials
Bleeding Heart                    Dicentra spectabilis                      Perennials
Bleeding Heart, Luxuriant         Dicentra luxuriant                        Perennials
Bleeding Heart, Western           Dicentra formosa                          Perennials
Blood Grass, Japanese             Imperata cylindrica 'Rubra'               Perennials
Blue Atlas Cedar                  Cedrus atlantica 'Glauca'                 Trees
Blue Atlas Cedar, Weepng          Cedrus atlantica 'Pendula'                Trees
Blue Blossom                      Ceanothus thyrsiflorus                    Oregon Native
Blue Boy/Girl Holly               Ilex meserveae                            Shrubs
Blue Crown Passion Flower         Passiflora caerulea                       Vines
Blue Elderberry                   Sambucus caerulea                         Shrubs
Blue Elderberry                   Sambucus mexicana                         Shrubs
Blue Fescue Grass                 Festuca ovina 'Glauca'                    Perennials
Blue Flax                         Linum lewisii                             Perennials
Blue Flowered Dichroa             Dichroa versicolor 'Blue Flowered'        Shrubs
Blue Italian Cypress              Cupressus sempervirens 'Glauca'           Trees
Blue Japanese White Pine          Pinus parviflora 'Glauca'                 Trees
Blue Marguerite                   Felicia amelloides                        Perennials
Blue Marguerite Daisy             Felicia amelloides                        Perennials
Blue Oat Grass                    Helictotrichon sempervirens               Perennials
Blue Pacific Shore Juniper        Juniperus conferta 'Blue Pacific'         Shrubs
Blue Point Juniper                Juniperus chinensis 'Blue Point'          Shrubs
Blue Poppy, Himalayan             Meconopsis betonicifolia                  Perennials
Blue Potato Bush                  Lycianthes rantonnetii                    Shrubs
Blue Rug Juniper                  Juniperus horizontalis 'Wiltoni'          Shrubs
Blue Spruce                       Picea pungens 'Glauca'                    Trees
Blue Star Creeper                 Pratia fluviatilis                        Perennials
Blue Star Creeper                 Pratia pedunculata                        Perennials
Blue Star Juniper                 Juniperus squamata 'Blue Star'            Shrubs
Blue Wild Rye                     Elymus glaucus                            Perennials
Blue Wild Rye                     Elymus glaucus                            Oregon Native
Blue-eyed Grass                   Sisyrinchium angustifolium                Perennials
Blue-eyed Grass                   Sisyrinchium bellum                       Oregon Native
Bluebeard                         Caryopteris clandonensis                  Shrubs
Bluebells, Virginia               Mertensia virginica                       Perennials
Blueberry                         Vaccinium corymbosum                      Shrubs
Blueberry Tree, Japanese          Elaeocarpus decipiens                     Trees             
Bluehead Gilia                    Gilia capitata                            Oregon Native       
Bog Rosemary                      Andromeda polifolia                       Shrubs
Borage                            Borago officinalis                        Herbs                
Bosnian Pine                      Pinus heldrichii 'Leucodermis'            Trees
Boston Fern, Dallas Fern          Nephrolepis exaltata                      House Plant
Boston Ivy                        Parthenocissus tricuspidata               Vines
Bottlebrush, Dwarf                Callistemon citrinus 'Little John'        Shrubs
Bottlebrush, Scarlet              Callistemon citrinus                      Shrubs
Boulevard False Cypress           Chamaecyparis pisifera 'Cyano-Viridis'    Trees
Box Elder                         Acer negundo                              Trees
Box Elder, Variegated             Acer negundo 'Variegatum'                 Trees
Box Honeysuckle                   Lonicera nitida                           Shrubs
Box Leaf Euonymus                 Euonymus japonica 'Microphylla'           Shrubs
Boxwood, Dwarf English            Buxus sempervirens 'Suffruticosa          Shrubs
Boxwood, English                  Buxus sempervirens                        Shrubs
Boxwood, Japanese                 Buxus microphylla japonica                Shrubs
Boxwood, Oregon                   Paxistima myrsinites                      Shrubs
Boxwood, Variegated English       Buxus sempervirens 'Variegata'            Shrubs
Brass Buttons                     Leptinella perpusilla                     Perennials
Brass Buttons                     Leptinella squalida                       Perennials
Brass Buttons                     Cotula squalida                           Perennials
Bridal Wreath Spirea              Spiraea vanhouttei                        Shrubs
Bridal Wreath Spirea              Spiraea prunifolia                        Shrubs
Bristlecone Pine                  Pinus aristata                            Trees
Brodiaea, White                   Tritelaia hyacinthina                     Perennials
Broom, Creeping                   Genista pilosa                            Shrubs
Broom, French                     Genista monspessulana                     Oregon Weed
Broom, Lydia                      Genista lydia                             Shrubs
Broom, Portuguese                 Cytisus striatus                          Oregon Weed
Broom, Scotch                     Cytisus scoparius                         Oregon Weed
Broom, Spanish                    Spartium junceum                          Oregon Weed
Buffalo Berry, Silver             Shepherdia argenteus                      Shrubs
Bugbane                           Cimicifuga racemosa                       Perennials
Bugbane, Black Cohosh             Cimicifuga racemosa                       Perennials
Bugloss, Siberian                 Brunnera macrophylla                      Perennials
Bulbous Oat Grass                 Arrhenatherum elastius bulbosum           Perennials
Bulrush, Small Flowered           Scirpus microcarpus                       Oregon Native
Bunchberry                        Cornus canadensis                         Perennials
Burkwood Viburnum                 Viburnum burkwoodii                       Shrubs
Burn Plant                        Aloe vera                                 House Plant
Burning Bush, Dwarf               Euonymus alata 'Compacta'                 Shrubs
Bush Peony                        Paeonia lactiflora                        Perennials
Busy-lizzy                        Impatiens wallerana                       House Plant
Butterfly Bush                    Buddleia davidii                          Oregon Weed
Butterfly Bush, Dwarf             Buddleia davidii 'Nanhoensis'             Shrubs
Butterfly Weed                    Asclepias tuberosa                        Perennials

C
Cabbage Tree                      Cordyline indivisa                        Shrubs
Cabbage, Skunk                    Lysichton armerianum                      Oregon Native
Cactus                            Cactus                                    House Plant
Cactus, Christmas                 Schlumbergera buckleyi                    House Plant
Calendula                         Calendula officinalis                     Perennials
California Corn Lily              Veratrum californicum                     Perennials
California False Hellebore        Veratrum californicum                     Perennials
California Fescue Grass           Festuca californica                       Oregon Native
California Fuchsia                Zauschneria species                       Perennials
California Poppy                  Eschscholzia californica                  Perennials
California Wax Myrtle             Myrica californica                        Shrubs
Calla Lily                        Zantedeschia aethiopica                   Perennials
Calla Lily                        Zantedeschia species                      Perennials
Camellia                          Camellia japonica                         Shrubs
Camellia, Japanese                Camellia japonica                         Shrubs
Camellia, Sasanqua                Camellia sasanqua                         Shrubs
Campanula                         Campanula species                         Perennials
Camperdown Elm                    Ulmus glabra 'Camperdown'                 Trees
Campion, Moss                     Silene species                            Perennials
Campion, Rose                     Lychnis coronaria                         Perennials
Canadian Hemlock                  Tsuga canadensis                          Trees
Candytuft                         Iberis sempervirens                       Perennials
Canna                             Canna species                             Perennials
Canoe or Paper Birch              Betula papyrifera                         Trees
Cape Fuchsia                      Phygelius capensis                        Perennials
Cape Plumbago                     Plumbago auriculata                       Perennials
Cardinal Flower                   Lobelia cardinalis                        Perennials
Cardoon                           Cynara cardunculus                        Perennials
Carissa Chinese Holly             Ilex cornuta 'Carissa'                    Shrubs
Carissa Holly                     Ilex cornuta 'Carissa'                    Shrubs
Carnation or Pinks                Dianthus species                          Perennials
Carol Mackie Daphne               Daphne burkwoodii 'Carol Mackie'          Shrubs
Carolina Allspice                 Calycanthus floridus                      Shrubs
Carolina Jessamine                Gelsemium sempervirens                    Vines
Carolina Silver Bell              Halesia carolina                          Trees
Carpet Bugle                      Ajuga reptans                             Perennials
Carpet Rose                       Rosa 'Flower Carpet'                      Shrubs
Carpet, Green                     Herniaria glabra                          Perennials
Cascade Penstemon                 Penstemon serrulatus                      Oregon Native
Cascara                           Rhamnus purshiana                         Trees
Cast Iron Plant                   Aspidistra elatior                        House Plant
Catalpa, Western                  Catalpa speciosa                          Trees
Catmint                           Nepeta faassenii                          Perennials
Catnip                            Nepeta cataria                            Herbs
Cattails                          Typha latifolia                           Perennials
Ceanothus, Point Reyes            Ceanothus gloriosus                       Perennials
Ceanothus, Prostrate              Ceanothus prostratus                      Oregon Native
Ceanothus, Santa Barbara          Ceanothus impressus                       Shrubs
Cedar Of Lebanon                  Cedrus libani                             Trees
Cedar Of Lebanon, Weeping         Cedrus libani 'Sargentii'                 Trees
Cedar, Blue Atlas                 Cedrus atlantica 'Glauca'                 Trees
Cedar, Deodar                     Cedrus deodara                            Trees
Cedar, Eastern Red                Juniperus virginiana                      Shrubs
Cedar, Golden Deodar              Cedrus deodara 'Aurea'                    Trees
Cedar, Incense                    Calocedrus decurrens                      Trees
Cedar, Japanese                   Cryptomeria japonica                      Trees
Cedar, Port Orford                Chamaecyparis lawsoniana                  Trees
Cedar, Salt                       Tamarix ramosissima                       Oregon Weed
Cedar, Weeping Alaska             Chamaecyparis nootkatensis 'Pendula'      Trees
Cedar, Weeping Blue Atla          Cedrus atlantica 'Pendula'                Trees
Cedar, Weeping Deodar             Cedrus deodara 'Pendula'                  Trees
Cedar, Western Red                Thuja plicata                             Trees
Chamomile                         Chamaemelum nobile                        Herbs
Chamomile, Feverfew               Matricaria recutia                        Perennials
Checkerbloom                      Sidalcea malviflora                       Perennials
Checkered Lily                    Fritillaria species                       Perennials
Chenille Plant                    Acalypha hispida                          House Plant
Cherry, Birch Bark                Prunus serrula                            Trees
Cherry, Choke                     Prunus virginiana                         Trees
Cherry, Christmas                 Solanum pseudocapsicum                    House Plant
Cherry, Japanese Flowering        Prunus serrulata                          Trees
Cherry, Sweet                     Prunus avium                              Trees
Cherry, Weeping Flowering         Prunus subhirtella                        Trees
Cherry, Yoshino Flowering         Prunus x yedoensis                        Trees
Chilean Jasmine                   Mandevilla laxa                           Vines
China Blue Vine                   Holboellia coracea 'China Blue'           Vines
Chinese Blue Fir                  Cunninghamia lanceolata                   Trees
Chinese Dogwood                   Cornus kousa 'Chinensis'                  Trees
Chinese Evergreen                 Aglaonema modestum                        House Plant
Chinese Fringe Tree               Chionanthus retusus                       Trees
Chinese Ginger                    Asarum splendens                          Perennials
Chinese Holly                     Ilex cornuta                              Shrubs
Chinese Holly, Carissa            Ilex cornuta 'Carissa'                    Shrubs
Chinese Redbud                    Cercis chinensis                          Trees
Chinese Wisteria                  Wisteria sinensis                         Vines
Chinese Witch Hazel               Hamamelis mollis                          Shrubs
Chives                            Allium schoenoprasum                      Herbs
Chives, Garlic                    Allium tuberosum                          Herbs
Chocolate Cosmos                  Cosmos atrosanguineus                     Perennials
Chokecherry                       Aronia species                            Shrubs
Chokecherry                       Prunus virginiana                         Trees
Christmas Cactus                  Schlumbergera buckleyi                    House Plant
Christmas Cherry                  Solanum pseudocapsicum                    House Plant
Christmas Rose                    Helleborus niger                          Perennials
Chrysanthemum, Garden             Chrysanthemum morifolium                  Perennials
Cigar Plant                       Cuphea ignea                              House Plant
Cilantro/Coriander                Coriandrum sativum                        Herbs
Cinnamon Fern                     Osmunda cinnamomea                        Perennials
Citrus                            Citrus spp.                               House Plant
Clematis, Armandi Evergreen       Clematis armandii                         Vines
Clematis, Deciduous               Clematis hybrids                          Vines
Clematis, Rock                    Clematis columbiana                       Vines
Climbing Hydrangea                Hydrangea anomala petiolaris              Vines
Clover, Dark Dancer               Trifolium repens 'Dark Dancer             Perennials
Coast Leucothoe                   Leucothoe axillaris                       Shrubs
Coast Redwood                     Sequoia sempervirens                      Trees
Coast Silk Tassel                 Garrya elliptica                          Shrubs
Coffee Tree, Kentucky             Gymnocladus dioicus                       Trees
Coffee tree                       Coffea arabica                            House Plant
Cole's Creeping Hemlock           Tsuga canadensis 'Cole's Prostrata'       Shrubs
Colorado Blue Spruce              Picea pungens 'Glauca'                    Trees
Coltsfoot                         Petasites palmatus                        Oregon Native
Columbine                         Aquilegia species                         Perennials
Columbine, Red                    Aquilegia formosa                         Perennials
Columnar European Hornbeam        Carpinus betulus 'Fastigiata'             Trees
Columnar Yew, Hick's              Taxus x media 'Hicksii'                   Shrubs
Common Camas                      Camassia quamash                          Perennials
Common Lilac                      Syringa vulgaris                          Shrubs
Common Rush                       Juncus effusus                            Oregon Native
Common Snowberry                  Symphoricarpos albus                      Shrubs
Common St. Johns Wort             Hypericum perforatum                      Oregon Weed
Common Yarrow                     Achillea millefolium                      Perennials
Compact Hinoki Cypress            Chamaecyparis obtusa 'Compacta'           Shrubs
Compact Oregon Grape              Mahonia aquifolium 'Compacta'             Shrubs
Compact Strawberry Tree           Arbutus unedo 'Compacta'                  Shrubs
Coneflower, Prairie               Ratibida pinnata                          Perennials
Coneflower, Purple                Echinacea purpurea                        Perennials
Confederate Rose                  Hibiscus mutabilis 'Rubrus'               Shrubs
Contorted Hinoki Cypress          Chamaecyparis obtusa 'Torulosa'           Shrubs
Convex Leaf Japanese Holly        Ilex crenata 'Convexa'                    Shrubs
Coral Bark Japanese Maple         Acer palmatum 'Sango Kaku'                Trees
Coral Bells                       Heuchera sanguinea                        Perennials
Coralberry                        Symphoricarpos orbiculatus                Shrubs
Coralberry Indian Curant          Symphoricarpos orbiculatus                Shrubs
Coreopsis, Tickseed               Coreopsis species                         Perennials
Coriander/Cilantro                Coriandrum sativum                        Herbs
Corn Lily, California             Veratrum californicum                     Perennials
Cornelian Cherry Dogwood          Cornus mas                                Trees
Cornflower                        Centaurea species                         Perennials
Corsican Mint                     Mentha requienii                          Perennials
Corydalis                         Corydalis lutea                           Perennials
Cosmos, Chocolate                 Cosmos atrosanquineus                     Perennials
Cotoneaster                       Cotoneaster species                       Shrubs
Cotoneaster, Bearberry            Cotoneaster dammeri                       Perennials
Cotoneaster, Parneyi              Cotoneaster lacteus (parneyi)             Shrubs
Coyote Bush                       Baccharis pilularis                       Oregon Native
Crabapple, Flowering              Malus species                             Trees
Cranberry                         Vaccinium macrocarpum                     Shrubs
Cranberry Bush, American          Viburnum trilobum                         Shrubs
Cranberry Bush, Dwarf             Viburnum trilobum 'Compactum'             Shrubs
Cranberry Bush, European          Viburnum opulus                           Shrubs
Cranesbill                        Erodium reichardii                        Perennials
Cranesbill Geranium               Geranium species                          Perennials
Crape Myrtle                      Lagerstroemia indica                      Shrubs
Creeper, Blue Star                Pratia fluviatilis                        Perennials
Creeper, Blue Star                Pratia pedunculata                        Perennials
Creeper, Virginia                 Parthenocissus quinquefolia               Vines
Creeping Broom                    Genista pilosa                            Shrubs
Creeping Jenny                    Lysimachia nummularia                     Perennials
Creeping Oregon Grape             Mahonia repens                            Perennials
Creeping Phlox                    Phlox subulata                            Perennials
Creeping Raspberry                Rubus calycinoides                        Perennials
Creeping Sedum                    Sedum species                             Perennials
Creeping Stonecrop                Sedum species                             Perennials
Creeping Wire Vine                Muehlenbeckia axillaris                   Perennials
Crimson King Norway Maple         Acer platanoides 'Crimson King'           Trees
Crimson Pygmy Barberry            Berberis thunbergii 'Crimson Pygmy'       Shrubs
Crocosmia                         Crocosmia crocosmiliflora                 Perennials
Crocus, Dutch                     Crocus vernus                             Perennials
Crocus, Fall or Saffron           Crocus sativus                            Perennials
Croton                            Codiaeum variegatum                       House Plant
Cryptomeria, Japanese             Cryptomeria japonica                      Trees
Cryptomeria, Vilmoriniana         Cryptomeria japonica 'Vilmoriniana'       Shrubs
Cumberland Rosemary               Conradina verticillata                    Perennials
Cumin                             Cuminum cyminum                           Herbs
Cupid's Dart                      Catananche caerulea                       Perennials
Curl-leaf Mountain Mahogany       Cercocarpus ledifolius                    Shrubs
Currant, Alpine                   Ribes alpinum                             Shrubs
Currant, Golden                   Ribes aureum                              Shrubs
Currant, Red Flowering            Ribes sanguineum                          Shrubs
Cycad                             Cycas revoluta                            House Plant
Cyclamen                          Cyclamen persicum                         House Plant
Cyclamen, Hardy                   Cyclamen hederifolium                     Perennials
Cypress, Arizona                  Cupressus glabra                          Trees
Cypress, Bald                     Taxodium distichum                        Trees
Cypress, Birds Nest Lawson's      Chamaecyparis lawsoniana 'Nidiformis'     Shrubs
Cypress, Blue Italian             Cupressus sempervirens 'Glauca'           Trees
Cypress, Boulevard                Chamaecyparis pisifera 'Cyano Viridis'    Trees
Cypress, Compact Hinoki           Chamaecyparis obtusa 'Compacta'           Shrubs
Cypress, Contorted Hinok          Chamaecyparis obtusa 'Torulosa'           Shrubs
Cypress, Dwarf Hinoki             Chamaecyparis obtusa 'Nana'               Shrubs
Cypress, Golden Hinoki            Chamaecyparis obtusa 'Aurea'              Shrubs
Cypress, Golden Leyland           Cupressocyparis leylandii 'Castlewellan'  Trees
Cypress, Goldthread               Chamaecyparis pisifera 'Filifera Aurea'   Shrubs
Cypress, Hinoki                   Chamaecyparis obtusa                      Shrubs
Cypress, Lawson                   Chamaecyparis lawsoniana                  Trees
Cypress, Leyland                  Cupressocyparis leylandii                 Trees

D
Daffodils                         Narcissus species                         Perennials
Dahlia                            Dahlia hybrids                            Perennials
Daisy Bush                        Senecio greyi                             Shrubs
Daisy, African                    Osteospermum barberae                     Perennials
Daisy, Blue Marguerite            Felicia amelloides                        Perennials
Daisy, English                    Bellis perennis                           Perennials
Daisy, Golden Shrub               Euryops pectinatus                        Perennials
Daisy, Hardy Marguerite           Anthemis tinctoria                        Perennials
Daisy, Painted                    Chrysanthemum coccinneum                  Perennials
Daisy, Painted                    Tanacetum coccineum                       Perennials
Daisy, Shasta                     Chrysanthemum maximum                     Perennials
Daisy, Shasta                     Leucanthemum x superbum                   Perennials
Dame's Rocket                     Hesperis matronalis                       Perennials
Daphne, Carol Mackie              Daphne burkwoodii 'Carol Mackie'          Shrubs
Daphne, February                  Daphne mezereum                           Shrubs
Daphne, Fragrant                  Daphne odora                              Shrubs
Daphne, Jim's Pride               Daphne transatlantica 'Jim's Pride'       Shrubs
Daphne, Lawrence Crocker          Daphne x media 'Lawrence Crocker'         Shrubs
Daphne, Ruby Glow Rock            Daphne cneorum 'Ruby Glow'                Shrubs
Dappled Willow                    Salix integra 'Hakuro Nishiki'            Shrubs
Dark Dancer Clover                Trifolium repens 'Dark Dancer'            Perennials
David's Viburnum                  Viburnum davidii                          Shrubs
Dawn Redwood                      Metasequoia glyptostroboides              Trees
Daylily                           Hemerocallis hybrids                      Perennials
Deadnettle                        Lamium maculatum                          Perennials
Deciduous Clematis                Clematis hybrids                          Vines
Deer Fern                         Blechnum spicant                          Perennials
Deer Fern                         Blechnum spicant                          Oregon Native
Delavay Osmanthus                 Osmanthus delavayi                        Shrubs
Delphinium                        Delphinium hybrids                        Perennials
Deodar Cedar                      Cedrus deodara                            Trees
Deodar Cedar, Weeping             Cedrus deodara 'Pendula'                  Trees
Deutzia, Slender                  Deutzia gracillis                         Shrubs
Diascia                           Diascia species                           Perennials
Dichroa                           Dichroa febrifuga                         Shrubs
Dichroa, Blue Flowered            Dichroa versicolor 'Blue Flowered'        Shrubs
Digger's Speedwell                Parahebe perfoliata                       Perennials
Dill                              Anethum graveolens                        Herbs
Dinosaur Food                     Gunnera manicata                          Perennials
Dinosaur Plant                    Gunnera manicata                          Perennials
Dogwood, Chinese                  Cornus kousa 'Chinensis'                  Trees
Dogwood, Cornelian Cherr          Cornus mas                                Trees
Dogwood, Creeping                 Cornus canadensis                         Perennials
Dogwood, Kousa                    Cornus kousa                              Trees
Dogwood, Midwinter Fire           Cornus stolonifera 'Midwinter Fire'       Shrubs
Dogwood, Pacific                  Cornus nuttallii                          Trees
Dogwood, Pagoda                   Cornus alternifolia                       Trees
Dogwood, Red Osier                Cornus sericea occidentalis               Oregon Native
Dogwood, Redtwig                  Cornus stolonifera                        Shrubs
Dogwood, Redtwig                  Cornus stolonifera 'Bailyei'              Shrubs
Dogwood, Satomi                   Cornus kousa 'Satomi'                     Trees
Dogwood, Stellar Pink             Cornus hybrid 'Stellar Pink'              Trees
Dogwood, Tartarian                Cornus alba                               Shrubs
Dogwood, Variegated Tartarian     Cornus alba 'Argenteo-marginata'          Shrubs
Dogwood, White Flowering          Cornus florida                            Trees
Dogwood, Yellow Twig              Cornus stolonifera 'Flaviramea'           Shrubs
Donkey Tail Spurge                Euphorbia myrsinites                      Oregon Weed
Doublefile Viburnum               Viburnum plicatum 'Mariesii'              Shrubs
Douglas Aster                     Aster subspicatus                         Oregon Native
Douglas Fir                       Pseudotsuga menziesii                     Trees
Douglas Iris                      Iris douglisiana                          Oregon Native
Douglas' Meadowfoam               Limnanthes douglasii                      Oregon Native
Dove Tree                         Davidia involucrata                       Trees
Dracaena                          Draceana spp.                             House Plant
Dracaena Palm                     Cordyline indivisa                        Shrubs
Drummond Willow                   Salix drummondiana                        Shrubs
Dumbcane                          Dieffenbachia spp.                        House Plant
Dutch Crocus                      Crocus vernus                             Perennials
Dutch Iris                        Iris "Dutch Hybrid"                       Perennials
Dwarf Alaskan Blue Willow         Salix purpurea nana                       Shrubs
Dwarf Alberta Spruce              Picea glauca 'Conica'                     Shrubs
Dwarf Balsam Fir                  Abies balsamea 'Nana'                     Shrubs
Dwarf Bottlebrush                 Callistemon citrinus 'Little John'        Shrubs
Dwarf Burning Bush                Euonymus alata Compacta                   Shrubs
Dwarf Butterfly Bush              Buddleia davidii 'Nanhoensis'             Shrubs
Dwarf Cranberry Bush              Viburnum trilobum 'Compactum'             Shrubs
Dwarf English Boxwood             Buxus sempervirens 'Suffruticosa          Shrubs
Dwarf Himalayan Sarcococca        Sarcococca hookeriana humilis             Shrubs
Dwarf Himalayan Sweet Box         Sarcococca hookeriana humilis             Shrubs
Dwarf Hinoki Cypress              Chamaecyparis obtusa 'Nana'               Shrubs
Dwarf Japanese Garden Juniper     Juniperus procumbens 'Nana'               Shrubs
Dwarf Mugho Pine                  Pinus mugo 'Pumilio'                      Shrubs
Dwarf Ninebark                    Physocarpus opulus intermedia             Shrubs
Dwarf Plumbago                    Ceratostigma plumbaginoides               Perennials
Dwarf Potentilla                  Potentilla verna nana                     Perennials
Dwarf Rhododendron                Rhododendron dwarf                        Shrubs
Dwarf Serbian Spruce              Picea omorika 'Nana'                      Trees
Dwarf Snowball                    Viburnum opulus 'Nana'                    Shrubs
Dwarf White Pine                  Pinus strobus 'Nana'                      Shrubs
Dwarf Yedda Hawthorn              Rhaphiolepis umbellata 'Minor'            Shrubs

E
Early Blue Violet                 Viola adunca                              Oregon Native
Eastern Flowering Dogwood         Cornus florida                            Trees
Eastern Red Cedar                 Juniperus virginiana                      Shrubs
Eastern Redbud                    Cercis canadensis                         Trees
Eastern White Pine                Pinus strobus                             Trees
Eastern Witch Hazel               Hamamelis virginiana                      Shrubs
Eastern Witchhazel                Hamamelis virginiana                      Shrubs
Edelweis                          Leontipodium alpinum                      Perennials
Edible Fig                        Ficus carica                              Trees
Elberberry, Variegated            Sambucus canadensis 'Variegata'           Shrubs
Elderberry, Blue                  Sambucus caerulea                         Shrubs
Elderberry, Blue                  Sambucus mexicana                         Shrubs
Elderberry, Red                   Sambucus racemosa                         Oregon Native
Elm, Camperdown                   Ulmus glabra 'Camperdown'                 Trees
Emerald Arborvitae                Thuja occidentalis 'Emerald'              Trees             
Emerald Spreader Yew              Taxus cuspidata 'Emerald Spreader'        Shrubs
Empress Tree                      Paulownia tomentosa                       Trees
English Boxwood                   Buxus sempervirens                        Shrubs
English Daisy                     Bellis perennis                           Perennials
English Holly                     Ilex aquifolium                           Shrubs
English Laurel                    Prunus laurocerasus                       Shrubs
English Yew, Spreading            Taxus baccata 'Repandens'                 Shrubs
Enkianthus, Redvein               Enkianthus campanulatus                   Shrubs
Epimedium                         Epimedium grandiflorum                    Perennials
Escallonia                        Escallonia exoniensis                     Shrubs
Escallonia, Newport Dwarf         Escallonia x 'Newport Dwarf'              Shrubs
Eucalyptus                        Eucalyptus species                        Trees
Euonymus, Box Leaf                Euonymus japonica 'Microphylla'           Shrubs
Euonymus, Japanese                Euonymus japonica                         Shrubs
European Beech                    Fagus sylvatica                           Trees
European Cranberry Bush           Viburnum opulus                           Shrubs
European Grape                    Vitis vinifera                            Vines
European Hornbeam                 Carpinus betulus 'Fastigiata'             Trees
European Larch                    Larix decidua                             Trees
European Larch, Weeping           Larix decidua 'Pendula'                   Trees
European Mountain Ash             Sorbus aucuparia                          Trees
European Pear                     Pyrus communis                            Trees
European White Birch              Betula pendula                            Trees
Evergreen Azalea                  Azalea                                    Shrubs
Evergreen Huckleberry             Vaccinium ovatum                          Shrubs
Exbury Azalea                     Azalea exbury                             Shrubs

F
Fall Sedum                        Sedum species                             Perennials
Fall or Saffron Crocus            Crocus sativus                            Perennials
False Aralia                      Dizygotheca elegantissima                 House Plant
False Cypress, Boulevard          Chamaecyparis pisifera 'Cyano-Viridis'    Trees
False Hellebore, California       Veratrum californicum                     Perennials
False Indigo                      Baptisia australis                        Perennials
False Lily of the Valley          Maianthemum dilatatum                     Oregon Native
False Solomon's Seal              Smilacina racemosa                        Perennials
False Starwort                    Boltonia asteroides                       Perennials
Fan Flowers                       Scaevola aemula                           Perennials
Fan Palm, Mediterranean           Chamaerops humilis                        Trees
Farewell-to-spring                Clarkia amoena                            Oregon Native
Feather Grass                     Calamagrostis acutiflora                  Perennials
Feather Grass, Giant              Stipa gigantea                            Perennials
Feather Grass, Mexican            Stipa tenuissima                          Perennials
February Daphne                   Daphne mezereum                           Shrubs
Female Pernettya                  Pernettya mucronata - female              Shrubs
Female Skimmia                    Skimmia japonica - female                 Shrubs
Fern, Alaskan                     Polystichum setiferum                     Perennials
Fern, Asparagus                   Asparagus species                         House Plant
Fern, Autumn                      Dryopteris erythrosora                    Perennials
Fern, Boston                      Nephrolepis exaltata                      House Plant
Fern, Cinnamon                    Osmunda cinnamomea                        Perennials
Fern, Dallas                      Nephrolepis exaltata                      House Plant
Fern, Deer                        Blechnum spicant                          Perennials
Fern, Giant Chain                 Woodwardia fimbriata                      Oregon Native
Fern, Hart's Tongue               Asplenium scolopendrium                   Perennials
Fern, Holly                       Cyrtomium falcatum                        Perennials
Fern, Japanese Painted            Athyrium nipponicum                       Perennials
Fern, Lady                        Athyrium filix-femina                     Perennials
Fern, Licorice                    Polypodium glycyrrhiza                    Oregon Native
Fern, Ostrich                     Matteuccia struthiopteris                 Perennials
Fern, Rabbit's Foot               Davalia spp.                              House Plant
Fern, Royal                       Osmunda regalis                           Perennials
Fern, Squirrel's Foot             Davallia trichomanoides                   House Plant
Fern, Staghorn                    Platycerium bifurcatum                    House Plant
Fern, Sword                       Polystichum munitum                       Perennials
Fern, Table                       Pteris cretica                            House Plant
Fern, Tasmanian Tree              Dicksonia antarctica                      Perennials
Fern, Tassel                      Polystichum polyblepharum                 Perennials
Fern, Western Maidenhair          Adiantum aleuticum                        Perennials   
Fern, Wood                        Dryopteris expansa                        Perennials
Fernleaf Aralia                   Dizygotheca balfourianna                  House Plant
Fescue Grass, Blue                Festuca ovina 'Glauca'                    Perennials
Fescue Grass, California          Festuca californica                       Oregon Native
Fescue Grass, Idaho               Festuca idahoensis                        Perennials
Fescue Grass, Roemer's            Festuca roemeri                           Oregon Native
Feverfew, Chamomile               Matricaria recutia                        Perennials
Fiber Optic Grass                 Scirpus cernuus                           Perennials
Fig, Edible                       Ficus carica                              Trees
Figs                              Ficus spp.                                House Plant
Fir, Alpine                       Abies lasiocarpa                          Trees
Fir, Chinese Blue                 Cunninghamia lanceolata                   Trees
Fir, Douglas                      Pseudotsuga menziesii                     Trees
Fir, Dwarf Balsam                 Abies balsamea 'Nana'                     Shrubs
Fir, Fraser                       Abies fraseri                             Trees             
Fir, Grand                        Abies grandis                             Trees
Fir, Horstman's Silberlocke       Abies koreana 'Horstman's Silberlocke'    Trees
Fir, Noble                        Abies procera                             Trees
Firethorn                         Pyracantha coccinea                       Shrubs
Fiveleaf Akebia                   Akebia quinata                            Vines
Flamingo Flower                   Anthurium scherzeranum                    House Plant
Flax Lily                         Dianella tasmanica                        Perennials
Flax, Blue                        Linum lewisii                             Perennials
Flax, New Zealand                 Phormium tenax                            Perennials
Flax, Perennial Blue              Linum perenne                             Perennials
Fleabane                          Erigeron species                          Perennials
Fleabane, Showy                   Erigeron speciosus                        Oregon Native
Flower Carpet Rose                Rosa 'Flower Carpet'                      Shrubs
Flowering Almond                  Prunus glandulosa                         Shrubs
Flowering Cherry, Weepng          Prunus subhirtella                        Trees
Flowering Crabapple               Malus species                             Trees
Flowering Currant                 Ribes sanguineum                          Shrubs
Flowering Dogwood                 Cornus florida                            Trees
Flowering Dogwood, Eastern        Cornus florida                            Trees
Flowering Maple                   Abutilon spp.                             House Plant
Flowering Pear                    Pyrus calleryana                          Trees
Flowering Plum                    Prunus cerasifera                         Trees
Flowerng Quince                   Chaenomeles japonica                      Shrubs
Foam Flower                       Heucherella tiarelloides                  Perennials
Foamflower                        Tiarella cordifolia                       Perennials
Forest Grass, Golden Japanese     Hakonechloa macra 'Aureola'               Perennials
Forest Grass, Japanese            Hakonechloa macra                         Perennials
Forest Pansy Redbud               Cercis canadensis 'Forest Pansy'          Trees
Forget-Me-Not                     Myosotis sylvatica                        Perennials
Forsythia, Lynwood Gold           Forsythia intermedia 'Lynwood Gold'       Shrubs
Forsythia, Weeping                Forsythia suspensa                        Shrubs
Fothergilla                       Fothergilla gardenii                      Shrubs
Fountain Bamboo                   Fargesia nitida                           Shrubs
Fountain Grass                    Pennisetum alopecuroides                  Perennials
Fountain Grass, Purple            Pennisetum setaceum 'Rubrum'              Perennials
Fox Red Curly Sedge               Carex buchananii                          Perennials
Foxglove, Pink                    Digitalis purpurea                        Perennials
Fragrant Daphne                   Daphne odora                              Shrubs
Fragrant Snowball                 Viburnum carlcephalum                     Shrubs
Fragrant Sumac                    Rhus aromatica                            Shrubs
Fragrant Sweet Box                Sarcococca ruscifolia                     Shrubs
Franklinia Tree                   Franklinia alatamaha                      Trees
Fraser Fir                        Abies fraseri                             Trees
Freesia                           Freesia species                           Perennials
French Broom                      Genista monspessulana                     Oregon Weed
French Tarragon                   Artemisia dracunculus                     Herbs
Frikart's Aster                   Aster frikartii                           Perennials
Fringe Cup                        Tellima grandiflora                       Oregon Native
Fringe Tree, Chinese              Chionanthus retussus                      Trees
Fringe flower                     Loropetalum chinensis                     Shrubs
Fritillaria                       Fritillaria species                       Perennials
Fuchsia, California               Zauschneria species                       Perennials
Fuchsia, Cape                     Phygelius capensis                        Perennials
Fuchsia, Hardy                    Fuchsia magellanica                       Perennials
Full Moon Maple                   Acer japonicum                            Trees
Funkia                            Hosta species                             Perennials

G
Garden Chrysanthemum              Chrysanthemum morifolium                  Perennials
Garden Sage                       Salvia species                            Perennials
Gardenia                          Gardenia jasminoides                      House Plant
Gardenia, Kleim's Hardy           Gardenia jasminoides 'Kleim's Hardy'      Shrubs
Garlic Chives                     Allium tuberosum                          Herbs
Garryana Oak                      Quercus garryana                          Trees
Gaura                             Gaura lindheimeri                         Perennials
Gayfeather, Spike                 Liatris spicata                           Perennials
Gentian                           Gentiana species                          Perennials
Geranium                          Pelargonium peltata                       House Plant
Geranium, Cranesbill              Geranium species                          Perennials
German Chamomile                  Matricaria recutia                        Herbs
German Statice                    Goniolimon tataricum                      Perennials
Geum                              Geum chiloense                            Perennials
Geum, Grecian Rose                Geum coccinium                            Perennials
Ghost Tree                        Davidia involucrata                       Trees
Giant Allium                      Allium giganteum                          Perennials
Giant Chain Fern                  Woodwardia fimbriata                      Oregon Native
Giant Feather Grass               Stipa gigantea                            Perennials
Giant Knotweed                    Polygonum sachalinense                    Oregon Weed
Giant Onion                       Allium giganteum                          Perennials
Giant Sequoia                     Sequoiadendron giganteum                  Trees
Ginger, Wild                      Asarum species                            Perennials
Ginkgo                            Ginkgo biloba                             Trees
Ginkgo, Princeton Sentry          Ginkgo biloba 'Princeton Sentry'          Trees
Ginnala Maple                     Acer ginnala                              Trees
Globe Amaranth                    Gomphrena globosa                         Perennials
Globe thistle                     Echinops exaltatus                        Perennials
Globeflower                       Trollius species                          Perennials
Glorybower, Harlequin             Clerodendrum trichotomum                  Trees
Glossy Abelia                     Abelia grandiflora                        Shrubs
Goatsbeard                        Aruncus dioicus                           Perennials
Gold Coast Juniper                Juniperus chinensis 'Gold Coast'          Shrubs
Gold Cone Juniper                 Juniperus communis 'Gold Cone'            Shrubs
Gold Dust Allysum                 Aurinia saxatilis                         Perennials
Golden Bamboo                     Phyllostachys aurea                       Shrubs
Golden Berkman Arborvitae         Platycladus orientalis 'Aurea Nana'       Shrubs
Golden Chain                      Laburnum watereri 'Vossi'                 Trees
Golden Currant                    Ribes aureum                              Shrubs
Golden Deodar Cedar               Cedrus deodara 'Aurea'                    Trees
Golden Hinoki Cypress             Chamaecyparis obtusa 'Aurea'              Shrubs
Golden Japanese Forest Grass      Hakonechloa macra 'Aureola'               Perennials
Golden Lantern Leycesteria        Leycesteria formosa 'Golden Lantern'      Shrubs
Golden Lantern Pheasant Berry     Leycesteria formosa 'Golden Lantern'      Shrubs
Golden Leyland Cypress            Cupressocyparis leylandii 'Castlewellan'  Trees
Golden Lotus Banana               Musella lasiocarpa                        Shrubs
Golden Ray                        Ligularia dentata                         Perennials
Golden Shrub Daisy                Euryops pectinatus                        Perennials
Golden Variegated Sweet Flag      Acorus gramineus 'Variegatus'             Perennials
Goldenchain, Weeping              Laburnum alpinum 'Pendulum'               Trees
Goldenrain Tree                   Koelreuteria paniculata                   Trees
Goldenrod                         Solidago species                          Perennials
Goldenrod                         Solidago canadensis                       Oregon Native
Goldspot Arborvitae               Thuja occidentalis 'Goldspot'             Trees
Goldthread Cypress                Chamaecyparis pisifera 'Filifera Aurea'   Shrubs
Golf Ball Kohuhu                  Pittosporum tenuifolium 'Golf Ball'       Shrubs
Gooseberry                        Ribes hirtellum                           Shrubs
Grand Fir                         Abies grandis                             Trees
Grape Holly                       Mahonia aquifolium                        Shrubs
Grape Hyacinth                    Muscari armeniacum                        Perennials
Grape, American                   Vitis labrusca                            Vines
Grape, Creeping Oregon            Mahonia repens                            Perennials
Grape, European                   Vitis vinifera                            Vines
Grass Widow                       Sisyrinchium douglasii                    Oregon Native
Grecian Pattern Plant             Acanthus mollis                           Perennials
Grecian Rose Geum                 Geum coccinium                            Perennials
Green Carpet                      Herniaria glabra                          Perennials
Green's Mountain Ash              Sorbus scopulina                          Oregon Native
Gro-low Fragrant Sumac            Rhus aromatica 'Gro-low'                  Shrubs
Ground Morning Glory              Convolvulus mauritanicus                  Perennials
Guava, Pineapple                  Feijoa sellowianna                        Shrubs
Gum, Black                        Nyssa sylvatica                           Trees
Gum, Sweet                        Liquidambar styraciflua                   Trees
Gumpo Azalea                      Azalea 'Gumpo'                            Shrubs
Gunnera                           Gunnera manicata                          Perennials

H
Hairy Honeysuckle                 Lonicera hispidula                        Oregon Native
Hairy Manzanita                   Arctostaphylos columbiana                 Oregon Native
Halesia                           Halesia monticola                         Trees
Hall's Honeysuckle                Lonicera japonica 'Halliana'              Vines
Handkerchief Tree                 Davidia involucrata                       Trees
Hardhack Spirea                   Spiraea douglasi                          Shrubs
Hardy Cyclamen                    Cyclamen hederifolium                     Perennials
Hardy Fuchsia                     Fuchsia magellanica                       Perennials
Hardy Gloxinia                    Incarvillea delavayi                      Perennials
Hardy Japanese Banana             Musa basjoo                               Shrubs
Hardy Marguerite Daisy            Anthemis tinctoria                        Perennials
Harlequin Glorybower              Clerodendrum trichotomum                  Trees
Hart's Tongue Fern                Asplenium scolopendrium                   Perennials
Hawaiian Elf Schefflera           Heptaplurum arboricolum                   House Plant
Hawaiian Ti Plant                 Cordyline terminalis                      House Plant
Hawthorn, Dwarf Yedda             Rhaphiolepis umbellata 'Minor'            Shrubs
Hawthorn, Indian                  Rhaphiolepis indica                       Shrubs
Hawthorn, Klamath                 Crataegus suksdorfii                      Oregon Native
Hawthorn, Lavelle's               Crataegus lavellei                        Trees
Hawthorn, Oregon                  Crataegus douglasii                       Trees
Hawthorn, Paul's Scarlet          Crataegus oxycantha 'Paulii'              Trees
Hazel, Winter                     Corylopsis species                        Shrubs
Heart Leaf Philodendron           Philodendron caudatum                     House Plant
Heartleaf Bergenia                Bergenia cordifolia                       Perennials
Heath, Irish Bell                 Daboecia cantabrica                       Shrubs
Heath, Spanish                    Erica lusitanica                          Oregon Weed
Heather, Scotch                   Calluna vulgaris                          Shrubs
Heather, Winter Blooming          Erica species                             Shrubs
Heavenly Bamboo                   Nandina domestica                         Shrubs
Hebe                              Hebe species                              Perennials
Hedge Maple                       Acer campestre                            Trees
Helenium                          Helenium autumnale                        Perennials
Heliotrope                        Heliotropium arborescens                  Perennials
Hellebore                         Helleborus niger                          Perennials
Heller's Japanese Holly           Ilex crenata 'Helleri'                    Shrubs
Hemlock, Canadian                 Tsuga canadensis                          Trees
Hemlock, Cole's Creeping          Tsuga canadensis 'Cole's Prostrata'       Shrubs
Hemlock, Mountain                 Tsuga mertensiana                         Trees
Hemlock, Western                  Tsuga heterophylla                        Trees
Hen and Chicks                    Echeveria spp.                            House Plant
Hen and Chicks                    Sempervivum species                       Perennials
Henderson's Shooting Star         Dodecatheon hendersonii                   Oregon Native
Hick's Columnar Yew               Taxus x media 'Hicksii'                   Shrubs
High Bush Cranberry               Viburnum trilobum                         Oregon Native
Himalayan Blackberry              Rubus discolor                            Oregon Weed
Himalayan Blackberry              Rubus procerus                            Oregon Weed
Himalayan Blue Poppy              Meconopsis betonicifolia                  Perennials
Himalayan Knotweed                Polygonum polystachyum                    Oregon Weed
Himalayan Knotweed                Polygonum polystachyum                    Oregon Weed
Himalayan Sarcococca              Sarcococca hookeriana humilis             Shrubs
Himalayan White Birch             Betula jacquemontii                       Trees
Hinoki Cypres, Contorted          Chamaecyparis obtusa 'Torulosa'           Shrubs
Hinoki Cypress                    Chamaecyparis obtusa                      Shrubs
Hinoki Cypress, Dwarf             Chamaecyparis obtusa 'Nana'               Shrubs
Holly Fern                        Cyrtomium falcatum                        Perennials
Holly Leaf Osmanthus              Osmanthus ilicifolius                     Shrubs
Holly, Blue Boy/Girl              Ilex meserveae                            Shrubs
Holly, Chinese                    Ilex cornuta                              Shrubs
Holly, English                    Ilex aquifolium                           Shrubs
Holly, False                      Osmanthus ilicifolius                     Shrubs
Holly, Heller's Japanese          Ilex crenata 'Helleri'                    Shrubs
Holly, Japanese                   Ilex crenata 'Convexa'                    Shrubs
Holly, Japanese                   Ilex crenata                              Shrubs
Holly, Sea                        Eryngium amethystinum                     Perennials
Holly, Sky Pencil                 Ilex crenata 'Sky Pencil'                 Shrubs
Hollyhock                         Alcea rosea                               Perennials
Hollyhock, Marsh                  Sidalcea oregana                          Perennials
Hollywood Juniper                 Juniperus chinensis 'Torulosa'            Shrubs
Homalomena                        Homalomena wallisii                       House Plant
Homestead Purple Verbena          Verbena hybrid 'Homestead Purple          Perennials
Honeylocust, Thornless            Gleditsia tricanthos inermis              Trees
Honeysuckle, Box                  Lonicera nitida                           Shrubs
Honeysuckle, Hairy                Lonicera hispidula                        Oregon Native
Honeysuckle, Hall's               Lonicera japonica 'Halliana'              Vines
Honeysuckle, Orange               Lonicera cilosa                           Oregon Native
Honeysuckle, Purple-leaf          Lonicera japonica 'Purpurea'              Vines
Honeysuckle, Trumpet              Lonicera sempervirens 'Magnifica          Vines
Horehound, Variegated             Ballota nigra 'Archers Variety'           Perennials
Hornbeam, Columnar European       Carpinus betulus 'Fastigiata'             Trees
Horsechestnut                     Aesculus hippocastanum                    Trees
Horsechestnut, Red                Aesculus carnea                           Trees
Horstman's Silberlocke Fir        Abies koreana 'Horstman's Silberlocke'    Trees
Hosta                             Hosta species                             Perennials
Huckleberry, Evergreen            Vaccinium ovatum                          Shrubs
Huckleberry, Red                  Vaccinium parvifolium                     Shrubs
Huckleberry, Thin-Leaf            Vaccinium membranaceum                    Oregon Native
Hyacinth                          Hyacinthus orientalis                     Perennials
Hyacinth, Grape                   Muscari armeniacum                        Perennials
Hyacinth, Wood                    Endymion non-scriptus (Scilla)            Perennials
Hybrid Lupine                     Lupinus hybrid                            Perennials
Hydrangea Vine, Japanese          Schizophragma hydrangeoides               Vines
Hydrangea, Big Leafed             Hydrangea macrophylla                     Shrubs
Hydrangea, Climbing               Hydrangea anomala petiolaris              Vines
Hydrangea, Oakleaf                Hydrangea quercifolia                     Shrubs
Hydrangea, PeeGee                 Hydrangea paniculata 'Grandiflora'        Shrubs
Hydrangea, Pink Elf               Hydrangea macrophylla 'Pia'               Shrubs
Hypericum                         Hypericum calycinum                       Perennials
Hyssop                            Agastache species                         Perennials

I
Ice Plant                         Delosperma cooperi                        Perennials
Iceland Poppy                     Papaver nudicaule                         Perennials
Idaho Blue-eyed Grass             Sisyrinchium idahoensis                   Perennials
Idaho Fescue Grass                Festuca idahoensis                        Oregon Native
Impatiens, New Guinea             Impatiens x hawkeri                       House Plant
Incense Cedar                     Calocedrus decurrens                      Trees
Indian Curant                     Symphoricarpos orbiculatus                Shrubs
Indian Hawthorn                   Rhaphiolepis indica                       Shrubs
Indian Plum                       Oemleria cerasiformis                     Oregon Native
Indigo, False                     Baptisia australis                        Perennials
Inside-out Flower                 Vancouveria hexandra                      Oregon Native
Iris, African                     Dietes bicolor                            Perennials
Iris, Bearded                     Iris hybrids                              Perennials
Iris, Douglas                     Iris douglasiana                          Oregon Native
Iris, Dutch                       Iris "Dutch Hybrid"                       Perennials
Iris, Japanese                    Iris ensata                               Perennials
Iris, New Zealand                 Libertia peregrinana                      Perennials
Iris, Oregon                      Iris tenax                                Perennials
Iris, Rocky Mountain              Iris missouriensis                        Oregon Native
Iris, Siberian                    Iris sibirica                             Perennials
Iris, Yellow Flag                 Iris pseudoacorus                         Oregon Weed
Irish Bell Heath                  Daboecia cantabrica                       Shrubs
Irish Moss                        Sagina sublata                            Perennials
Irish Yew                         Taxus baccata 'Fastigiata'                Shrubs
Issai Female Hardy Kiwi           Actinidia arguta 'Issai'                  Vines
Itea                              Itea virginica                            Shrubs
Ivory Feathers Pampas Grass       Cortaderia selloana 'Pumila'              Perennials
Ivy, Boston                       Parthenocissus tricuspidata               Vines
Ivy, Tree                         Fatshedera lizei                          House Plant

J
Jacob's Ladder                    Polemonium caeruleum                      Perennials
Jacob's Ladder                    Polemonium pulcherimum                    Oregon Native
Jade Plant                        Crassula argentea                         House Plant
Japanese Anemone                  Anemone huphensis                         Perennials
Japanese Aralia                   Fatsia japonica                           Shrubs
Japanese Barberry                 Berberis thunbergii                       Shrubs
Japanese Black Pine               Pinus thunbergii                          Trees
Japanese Blood Grass              Imperata cylindrica 'Rubra'               Perennials
Japanese Blueberry Tree           Elaeocarpus decipiens                     Trees
Japanese Boxwood                  Buxus microphylla japonica                Shrubs
Japanese Cedar                    Cryptomeria japonica                      Trees
Japanese Euonymus                 Euonymus japonica                         Shrubs
Japanese Flowering Cherry         Prunus serrulata                          Trees
Japanese Flowering Quince         Chaenomeles japonica                      Shrubs
Japanese Forest Grass             Hakonechloa macra                         Perennials
Japanese Garden Juniper           Juniperus procumbens                      Shrubs
Japanese Holly                    Ilex crenata                              Shrubs
Japanese Holly, Heller's          Ilex crenata 'Helleri'                    Shrubs
Japanese Hydrangea Vine           Schizophragma hydrangeoides               Vines
Japanese Iris                     Iris ensata                               Perennials
Japanese Kerria                   Kerria japonica                           Shrubs
Japanese Knotweed                 Polygonum cuspidatum                      Oregon Weed
Japanese Knotweed                 Polygonum cuspidatum                      Oregon Weed
Japanese Laurel                   Aucuba japonica                           Shrubs
Japanese Maiden Grass             Miscanthus sinensis                       Perennials
Japanese Maple                    Acer palmatum                             Trees
Japanese Pagoda Tree              Sophora japonica                          Trees
Japanese Painted Fern             Athyrium nipponicum                       Perennials
Japanese Pine, Weeping            Pinus densiflora 'Pendula'                Trees
Japanese Plum                     Prunus salicina                           Trees
Japanese Plum Yew                 Cephalotaxus harringtonia                 Shrubs
Japanese Raisin Tree              Hovenia dulcis                            Shrubs
Japanese Rose                     Rosa rugosa                               Shrubs
Japanese Sedge                    Carex morrowii                            Perennials
Japanese Snowbell                 Styrax japonicus                          Trees
Japanese Spurge                   Pachysandra terminalis                    Perennials
Japanese Stewartia                Stewartia pseudocamellia                  Trees
Japanese Tree Lilac               Syringa reticulata                        Shrubs
Japanese White Pine               Pinus parviflora 'Glauca'                 Trees
Japanese Wisteria                 Wisteria floribunda                       Vines
Japanese Yew, Pyramidal           Taxus cuspidata 'Capitata'                Shrubs
Japanese Yew, Spreading           Taxus cuspidata                           Shrubs
Jasmine, Chilean                  Mandevilla laxa                           Vines
Jasmine, Madagascar               Stephanotis floribunda                    House Plant
Jasmine, Pink                     Jasminum polyanthum                       Vines
Jasmine, Star                     Trachelospermum jasminoides               Vines
Jasmine, Stephan's                Jasminum x stephanense                    Vines
Jasmine, Winter                   Jasminum nudiflorum                       Vines
Jerusalem Sage                    Phlomis fruticosa                         Perennials
Jessamine, Carolina               Gelsemium sempervirens                    Vines
Jim's Pride Daphne                Daphne transatlantica 'Jim's Pride'       Shrubs
Joe Pye Weed                      Eupatorium maculatum                      Perennials
Juniper Tolleson's Blue           Juniperus scopulorum 'Tolleson's Blue'    Shrubs
Juniper, Bar Harbor               Juniperus horizontalis 'Bar Harbor'       Shrubs
Juniper, Blue Pacific Shore       Juniperus conferta 'Blue Pacific          Shrubs
Juniper, Blue Point               Juniperus chinensis 'Blue Point'          Shrubs
Juniper, Blue Rug                 Juniperus horizontalis 'Wiltoni'          Shrubs
Juniper, Blue Star                Juniperus squamata 'Blue Star'            Shrubs
Juniper, Dwarf Japanese Garden    Juniperus procumbens 'Nana'               Shrubs
Juniper, Gold Coast               Juniperus chinensis 'Gold Coast'          Shrubs
Juniper, Gold Cone                Juniperus communis 'Gold Cone'            Shrubs
Juniper, Hollywood                Juniperus chinensis 'Torulosa'            Shrubs
Juniper, Japanese Garden          Juniperus procumbens                      Shrubs
Juniper, Mint Julep               Juniperus chinensis 'Mint Julep'          Shrubs
Juniper, Rocky Mountain           Juniperus scopulorum                      Shrubs
Juniper, San Jose                 Juniperus chinensis 'San Jose'            Shrubs
Juniper, Savin                    Juniperus sabina                          Shrubs
Juniper, Sea Green                Juniperus chinensis 'Sea Green'           Shrubs
Juniper, Shore                    Juniperus conferta                        Shrubs
Juniper, Skyrocket                Juniperus virginiana 'Skyrocket'          Shrubs
Juniper, Spearmint                Juniperus chinensis 'Spearmint'           Shrubs
Juniper, Tam                      Juniperus sabina 'Tamariscifolia          Shrubs
Juniper, Youngstown Andorra       Juniperus horizontalis 'Youngstown'       Shrubs
Jupiter's Beard                   Centranthus ruber                         Perennials

K
Kaffir Lily                       Clivia miniata                            House Plant
Kaffir Lily                       Schizostylis coccinea                     Perennials
Kalanchoe                         Kalanchoe blossfeldiana                   House Plant
Katsura Tree                      Cercidiphyllum japonicum                  Trees
Katsura Tree, Weeping             Cercidiphyllum japonicum pendula          Trees
Kentucky Coffee Tree              Gymnocladus dioicus                       Trees
Kerria, Japanese                  Kerria japonica                           Shrubs
Kinnikinnick                      Arctostaphylos uva-ursi                   Perennials
Kiwi, Issai Female Hardy          Actinidia arguta 'Issai'                  Vines
Klamath Hawthorn                  Crataegus suksdorfii                      Oregon Native
Kleim's Hardy Gardenia            Gardenia jasminoides 'Kleim's Hardy'      Shrubs
Knotweed, Giant                   Polygonun sachalinense                    Oregon Weed
Knotweed, Himalayan               Polygonum polystachyum                    Oregon Weed
Knotweed, Japanese                Polygonum cuspidatum                      Oregon Weed
Kohuhu, Golf Ball                 Pittosporum tenuifolium 'Golf Ball'       Shrubs
Korean Lilac                      Syringa patula                            Shrubs
Korean Spicebush                  Viburnum carlesii                         Shrubs
Kousa Dogwood                     Cornus kousa                              Trees

L
Laceleaf Japanese Maple           Acer palmatum dissectum                   Shrubs
Lady Fern                         Athyrium filix-femina                     Oregon Native
Lady's Mantle                     Alchemilla mollis                         Perennials
Lamb's Ear                        Stachys byzantina                         Perennials
Lamium                            Lamium maculatum                          Perennials
Lantana                           Lantana spp.                              House Plant
Larch, European                   Larix decidua                             Trees
Larch, Weeping European           Larix decidua 'Pendula'                   Trees
Large Boykinia                    Boykinia major                            Oregon Native
Larkspur                          Delphinium hybrids                        Perennials
Laurel, Bay                       Laurus nobilis                            Shrubs
Laurel, English                   Prunus laurocerasus                       Shrubs
Laurel, Japanese                  Aucuba japonica                           Shrubs
Laurel, Mountain                  Kalmia latifolia                          Shrubs
Laurel, Otto Luyken               Prunus laurocerasus 'Otto Luyken          Shrubs
Laurel, Portugal                  Prunus lusitanica                         Shrubs
Laurel, Spurge                    Daphne laureola                           Oregon Weed
Laurustinus, Roundleaf            Viburnum tinus 'Robustum'                 Shrubs
Lavelle's Hawthorn                Crataegus lavellei                        Trees
Lavender                          Lavandula species                         Perennials
Lavender Cotton                   Santolina chamaecyparissus                Perennials
Lavender, Sea                     Limonium latifolium                       Perennials
Lawrence Crocker Daphne           Daphne x media 'Lawrence Crocker'         Shrubs
Leatherleaf Mahonia               Mahonia nervosa                           Shrubs
Lemon Balm                        Melissa officinalis                       Herbs
Lemon Thyme                       Thymus citriodoros                        Herbs
Lemon Verbena                     Aloysia triphylla                         Herbs
Lemongrass                        Cymbopogon flexuosus                      Herbs
Lenten Rose                       Helleborus orientalis                     Perennials
Leopard Plant                     Ligularia tussilaginea (Farfugium)        Perennials
Leopard's Bane                    Doronicum cordatum                        Perennials
Leucothoe                         Leucothoe fontanesiana                    Shrubs
Leucothoe, Coast                  Leucothoe axillaris                       Shrubs
Leucothoe, Drooping               Leucothoe fontanesiana                    Shrubs
Leucothoe, Rainbow                Leucothoe fontanesiana 'Rainbow'          Shrubs
Lewisia                           Lewisia cotyledon                         Perennials
Leycesteria, Golden Lantern       Leycesteria formosa 'Golden Lantern'      Shrubs
Leyland Cypress                   Cupressocyparis leylandii                 Trees
Licorice Fern                     Polypodium glycyrrhiza                    Oregon Native
Lifesaver Plant                   Huernia zebrina                           House Plant
Lilac, Common                     Syringa vulgaris                          Shrubs
Lilac, Japanese Tree              Syringa reticulata                        Shrubs
Lilac, Korean                     Syringa patula                            Shrubs
Lilly, Asian                      Lilium asiatic hybrids                    Perennials
Lily Of The Nile                  Agapanthus africanus                      Perennials
Lily of the Valley, False         Maianthemum dilatatum                     Oregon Native
Lily, Calla                       Zantedeschia species                      Perennials
Lily, Checkered                   Fritillaria species                       Perennials
Lily, Flax                        Dianella tasmania                         Perennials
Lily, Kaffir                      Clivia miniata                            House Plant
Lily, Kaffir                      Schizostylis coccinea                     Vines
Lily, Peace                       Spathiphyllum species                     House Plant
Lily, Peruvian                    Alstroemeria premium                      Perennials
Lily, Purple Pineapple            Eucomis comosa                            Perennials
Lily, Toad                        Tricyrtis hirta                           Perennials
Lily, White Fawn                  Erythronium oregonum                      Oregon Native
Lily-of-the-Valley                Convallaria majalis                       Perennials
Lilyturf                          Liriope species                           Perennials
Linden, Little Leaf               Tilia cordata                             Trees
Lingonberry                       Vaccinium vitis-idaea minus               Shrubs
Lipstick Strawberry               Fragaria 'Lipstick'                       Perennials
Lirope                            Liriope species                           Perennials
Lithodora                         Lithodora diffusa                         Perennials
Lithospermum                      Lithodora diffusa                         Perennials
Little John Bottlebrush           Callistemon citrinus 'Little John'        Shrubs
Little Leaf Linden                Tilia cordata                             Trees
Little Ollie Dwarf Olive          Olea europaea 'Little Ollie'              Shrubs
Locust, Black                     Robinia pseudoacadia                      Trees
Lodgepole Pine                    Pinus contorta latifolia                  Trees
Lombardy Poplar                   Populus nigra 'Italica'                   Trees
London Plane Tree                 Platanus acerifolia                       Trees
London Pride Saxifrage            Saxifraga umbrosa                         Perennials
Loosestrife                       Lysimachia punctata                       Perennials
Loquat                            Eriobotrya japonica                       Shrubs
Lovage                            Levisticum officinale                     Herbs
Lovage, Parsley-leaf              Ligustichum apifolium                     Oregon Native
Lungwort                          Pulmonaria species                        Perennials
Lupine                            Lupinus hybrid                            Perennials
Lupine, Steam-bank                Lupinus rivularis                         Oregon Native
Luxuriant Bleeding Heart          Dicentra luxuriant                        Perennials
Lydia Broom                       Genista lydia                             Shrubs
Lynwood Gold Forsythia            Forsythia intermedia 'Lynwood Gold'       Shrubs

M
Madagascar Jasmine                Stephanotis floribunda                    House Plant
Madame Galen Trumpet Vin          Campsis tagliabuana 'Madame Galen'        Vines
Magnolia, Saucer                  Magnolia soulangiana                      Trees
Magnolia, Southern                Magnolia grandiflora                      Trees
Magnolia, Star                    Magnolia stellata                         Trees
Mahhogany, Curl-leaf Mountain     Cercocarpus ledifolius                    Shrubs
Mahonia, Leatherleaf              Mahonia nervosa                           Shrubs
Maiden Grass, Japanese            Miscanthus sinensis                       Perennials
Maidenhair Fern, Western          Adiantum aleuticum                        Perennials
Maidenhair Fern, Western          Adiantum pedantum                         Perennials
Maidenhair Tree                   Ginkgo biloba                             Trees
Male Pernettya                    Pernettya mucronata - male                Shrubs
Male Skimmia                      Skimmia japonica - male                   Shrubs
Mallow, Rose                      Hibiscus moscheutos                       Perennials
Mallow, Tree                      Lavatera thuringiaca                      Perennials
Mandevilla                        Mandevilla sanderi                        House Plant
Manzanita, Hairy                  Arctostaphylos columbiana                 Oregon Native
Maple, Amur                       Acer ginnala                              Trees
Maple, Armstrong Red              Acer rubrum 'Armstrong'                   Trees
Maple, Bigleaf                    Acer macrophyllum                         Trees
Maple, Coral Bark Japanese        Acer palmatum 'Sango Kaku'                Trees
Maple, Crimson King Norway        Acer platanoides 'Crimson King'           Trees
Maple, Flowering                  Abutilon spp.                             Perennials
Maple, Full Moon                  Acer japonicum                            Trees
Maple, Hedge                      Acer campestre                            Trees
Maple, Japanese                   Acer palmatum                             Trees
Maple, Laceleaf Japanese          Acer palmatum dissectum                   Shrubs
Maple, Miyabei                    Acer miyabei                              Trees
Maple, Norway                     Acer platanoides                          Trees
Maple, Paper Bark                 Acer griseum                              Trees
Maple, Red                        Acer rubrum                               Trees
Maple, Silver                     Acer saccharinum                          Trees
Maple, Snake Bark                 Acer capillipes                           Trees
Maple, Sugar                      Acer saccharum                            Trees
Maple, Tatarian                   Acer tataricum                            Trees
Maple, Trident                    Acer buergeranum                          Trees
Maple, Vine                       Acer circinatum                           Trees
Maries Doublefile Viburnum        Viburnum plicatum 'Mariesii'              Shrubs
Marina Strawberry Tree            Arbutus hybrid 'Marina'                   Trees
Marjoram                          Origanum majorana                         Herbs
Marlberry                         Ardisia japonica                          Shrubs
Marsh Hollyhock                   Sidalcea oregana                          Perennials
Marshall Seedless Ash             Fraxinus pennsylvanica 'Marshall          Trees
Masterwort                        Astrantia major                           Perennials
Matilija Poppy                    Romneya coulteri                          Perennials
Mazus                             Mazus reptans                             Perennials
Meadow Rue                        Thalictrum species                        Perennials
Meadow Rue, Western               Thalictrum occidentale                    Oregon Native
Meadow-Checkermallow              Sidalcea campestris                       Oregon Native
Meadowfoam, Douglas'              Limnanthes douglasii                      Oregon Native
Meadowsweet, Siberian             Filipendula palmata                       Perennials
Mediterranean Fan Palm            Chamaerops humilis                        Trees
Mediterranean Fan Palm            Chamaerops humilis                        Trees
Medterranean Heather              Erica species                             Shrubs
Mexican Fan Palm                  Washingtonia robusta                      Trees
Mexican Feather Grass             Stipa tenuissima                          Perennials
Mexican Orange                    Choisya ternata                           Shrubs
Midwinter Fire Dogwood            Cornus stolonifera 'Midwinter Fire'       Shrubs
Miniature Snowflake Mockorange    Philadelphus 'Miniature Snowflake'        Shrubs
Mint Julep Juniper                Juniperus chinensis 'Mint Julep'          Shrubs
Mint, Corsican                    Mentha requienii                          Perennials
Mint, Pepper                      Mentha piperita                           Herbs
Mint, Spear                       Mentha spicata                            Herbs
Mirror Plant                      Coprosma repens                           Shrubs
Missouri Primrose                 Oenothera missouriensis                   Perennials
Miyabei Maple                     Acer miyabei                              Trees
Mock Orange                       Pittosporum tobira                        Shrubs
Mockorange, Miniature Snowflake   Philadelphus 'Miniature Snowflake'        Shrubs
Mockorange, Native                Philadelphus lewisii                      Shrubs
Mockorange, Snowflake             Philadelphus 'Snowflake'                  Shrubs
Mockorange, Virginal              Philadelphus virginalis                   Shrubs
Mockorange, Wheeler's Dwarf       Pittosporum tobira 'Wheeler's Dwarf'      Shrubs
Mondo Grass                       Ophiopogon japonicus                      Perennials
Mondo Grass, Black                Ophiopogon planiscapus 'Nigra'            Perennials
Monkey Puzzle Tree                Araucaria auracana                        Trees
Monkshood                         Aconitum napellus                         Perennials
Montana Sandwort                  Arenaria montana                          Perennials
Montbretia                        Crocosmia crocosmiliflora                 Perennials
Moor Grass                        Molinea caerulea                          Perennials
Morning Glory, Ground             Convolvulus mauritanicus                  Perennials
Morning Glory, Silver Bush        Convolvulus cneorum                       Perennials
Moses in the Cradle               Rhoeo spathacea                           House Plant
Moss Campion                      Silene species                            Perennials
Moss, Irish                       Sagina sublata                            Perennials
Moss, Scotch                      Sagina sublata 'Aurea'                    Perennials
Mother-in-Law's Tongue            Sansevieria trifasciata                   House Plant
Mountain Ash, European            Sorbus aucuparia                          Trees
Mountain Ash, Green's             Sorbus scopulina                          Trees
Mountain Avens                    Dryas octopetala                          Oregon Native
Mountain Hemlock                  Tsuga mertensiana                         Trees
Mountain Laurel                   Kalmia latifolia                          Shrubs
Mountain Silver Bell              Halesia monticola                         Trees
Mugho Pine                        Pinus mugo mughus                         Shrubs
Mulberry, Russian                 Morus nigra                               Trees
Mullein                           Verbascum species                         Perennials
Murrayana Pine                    Pinus contorta murrayana                  Trees
Myrtle, California Wax            Myrica californica                        Shrubs
Myrtle, Crape                     Lagerstroemia indica                      Shrubs
Myrtle, Oregon                    Umbellularia californica                  Shrubs

N
Naked Lady                        Amaryllis belladona                       Perennials
Nannyberry                        Viburnum lentago                          Shrubs
Narcissus                         Narcissus species                         Perennials
Narrowleaf Willow                 Salix exigua                              Oregon Native
Natal Plum                        Carissa macrocarpa                        House Plant
Native Mockorange                 Philadelphus lewisii                      Shrubs
Native Ninebark                   Physocarpus capitatus                     Shrubs
Native Shamrock                   Oxalis oregana                            Perennials
New Guinea Impatiens              Impatiens x hawkeri                       House Plant
New Zealand Flax                  Phormium tenax                            Perennials
New Zealand Iris                  Libertia peregrinans                      Perennials
Newport Dwarf Escallonia          Escallonia x 'Newport Dwarf'              Shrubs
Ninebark, Dwarf                   Physocarpus opulus intermedia             Shrubs
Ninebark, Native                  Physocarpus capitatus                     Shrubs
Niobe Willow                      Salix alba 'Tristis'                      Trees
Noble Fir                         Abies procera                             Trees
Nodding Onion                     Allium cernuum                            Oregon Native
Nootka Rose                       Rosa nutkana                              Shrubs
Norfolk Island Pine               Araucaria heterophylla                    House Plant
Northern Catalpa                  Catalpa speciosa                          Trees
Northern Red Oak                  Quercus borealis                          Trees
Norway Maple                      Acer platanoides                          Trees
Norway Spruce                     Picea abies                               Trees
Norway Spruce, Weeping            Picea abies 'Pendula'                     Trees

O
Oak, Northern Red                 Quercus borealis                          Trees
Oak, Oregon White                 Quercus garryana                          Trees
Oak, Pin                          Quercus palustris                         Trees
Oak, Red                          Quercus rubra                             Trees
Oak, Scarlet                      Quercus coccinea                          Trees
Oak, Swamp White                  Quercus bicolor                           Trees
Oakleaf Hydrangea                 Hydrangea quercifolia                     Shrubs
Oat Grass, Blue                   Helictotrichon sempervirens               Perennials
Oat Grass, Bulbous                Arrhenatherum elastius bulbosum           Perennials
Obedient Plant                    Physostegia virginiana                    Perennials
Ocean Spray                       Holodiscus discolor                       Shrubs
Octopus Plant                     Brassaia actinophylla                     House Plant
Old Man's Beard                   Clematis vitalba                          Oregon Weed
Oleander                          Nerium oleander                           Shrubs
Olive, Autumn                     Elaeagnus ebbingei                        Shrubs
Olive, Little Ollie Dwarf         Olea europaea 'Little Ollie'              Shrubs
Olive, Russian                    Elaeagnus angustifolia                    Oregon Weed
Olive, Sweet                      Osmanthus fragrans                        Shrubs
Orange Honeysuckle                Lonicera cilosa                           Oregon Native
Orange Sedge                      Carex testacea                            Perennials
Orange Sneezeweed                 Helenium hoopesii                         Oregon Native
Orange, Mexican                   Choisya ternata                           Shrubs
Orange, Mock                      Pittosporum tobira                        Shrubs
Orchids                           Cattleya, Cymbidium, Phalaenopsi          House Plant
Oregano                           Origanum vulgare                          Herbs
Oregon Boxwood                    Paxistima myrsinites                      Shrubs
Oregon Grape                      Mahonia aquifolium                        Shrubs
Oregon Grape, Compact             Mahonia aquifolium 'Compacta'             Shrubs
Oregon Grape, Creeping            Mahonia repens                            Perennials
Oregon Hawthorn                   Crataegus douglasii                       Trees
Oregon Iris                       Iris tenax                                Perennials
Oregon Myrtle                     Umbellularia californica                  Shrubs
Oregon Stonecrop                  Sedum oreganum                            Oregon Native
Oregon Sunshine                   Eriophyllum lanatum                       Oregon Native
Oregon White Oak                  Quercus garryana                          Trees
Oregon Wintergreen                Gaultheria ovatifolia                     Oregon Native
Oriental Poppy                    Papaver orientalis                        Perennials
Ornamental Pepper                 Capsicum                                  House Plant
Ornamental Rhubarb                Rheum palmatum                            Perennials
Osmanthus, Delavay                Osmanthus delavayi                        Shrubs
Ostrich Fern                      Matteuccia struthiopteris                 Perennials
Otto Luyken Laurel                Prunus laurocerasus 'Otto Luyken          Shrubs
Ox Eye                            Heliopsis helianthoides                   Perennials

P
PJM Rhododendron                  Rhododendron 'PJM'                        Shrubs
Pacific Dogwood                   Cornus nuttallii                          Trees
Pacific Silverweek                Potentilla pacifica                       Oregon Native
Pagoda Dogwood                    Cornus alternifolia                       Trees
Pagoda Tree, Japanese             Sophora japonica                          Trees 
Painted Daisy                     Chrysanthemum coccinneum                  Perennials
Painted Daisy                     Tanacetum coccineum                       Perennials
Palm, Dracaena                    Cordyline indivisa                        Shrubs
Palm, Mediterranean Fan           Chamaerops humilis                        Trees
Palm, Mexican Fan                 Washingtonia robusta                      Trees
Palm, Sago                        Cycas revoluta                            House Plant
Palm, Windmill                    Trachycarpus fortunei                     Trees
Pampas Grass, Ivory Feathers      Cortaderia selloana 'Pumila'              Perennials
Pansy                             Viola wittrockiana                        Perennials
Paper Bark Maple                  Acer griseum                              Trees
Paper Or Canoe Birch              Betula papyrifera                         Trees
Paperbush                         Edgeworthia chrysantha                    Shrubs
Paperbush                         Edgeworthia papyrifera                    Shrubs
Parney Cotoneaster                Cotoneaster lacteus (parneyi)             Shrubs
Parsley                           Petroselinum crispum                      Herbs
Parsley-leaf Lovage               Ligustichum apifolium                     Oregon Native
Pasque Flower                     Anemone pulsatilla                        Perennials
Passion Flower,Blue Crow          Passiflora caerulea                       Vines
Passion Vine                      Passiflora pfordtii                       Vines
Paul's Scarlet Hawthorn           Crataegus oxycantha 'Paulii'              Trees
Peace Lily                        Spathiphyllum species                     House Plant
Peach                             Prunus persica                            Trees
Pear, Asian                       Pyrus pyrifolia                           Trees
Pear, European                    Pyrus communis                            Trees
Pear, Flowering                   Pyrus calleryana                          Trees
Pearlbush                         Exochorda x macrantha                     Shrubs
Pearly Everlasting                Anaphalis margaritacea                    Perennials
Peegee Hydrangea                  Hydrangea paniculata 'Grandiflora'        Shrubs
Penstemon, Beard Tongue           Penstemon species                         Perennials
Penstemon, Cascade                Penstemon serrulatus                      Oregon Native
Penstemon, Richarson's            Penstemon richardsonii                    Oregon Native
Peony, Bush                       Paeonia lactiflora                        Perennials
Peony, Tree                       Paeonia suffruticosa                      Perennials
Peperomia                         Peperomia species                         House Plant
Pepper Bush, Tasmanian            Drimys lanceolata                         Shrubs
Pepper, Ornamental                Capsicum                                  House Plant
Pepperidge Tree                   Nyssa sylvatica                           Trees
Peppermint                        Mentha piperita                           Herbs
Perennial Blue Flax               Linum perenne                             Perennials
Periwinkle                        Vinca minor                               Perennials
Pern, Bird's Nest                 Asplenium nidus                           House Plant
Pernettya                         Pernettya mucronata                       Shrubs
Pernettya, Female                 Pernettya mucronata - female              Shrubs
Pernettya, Male                   Pernettya mucronata - male                Shrubs
Persian Ranunculus                Ranunculus asiaticus                      Perennials
Persian Shield                    Strobilanthes dyeranus                    House Plant
Persian Witchhazel                Parrotia persica                          Trees
Peruvian Lily                     Alstroemeria premium                      Perennials
Peruvian Lily                     Alstroemeria hybrids                      Perennials
Pheasant Berry                    Leycesteria formosa                       Shrubs
Philodendron, Heart Leaf          Philodendron caudatum                     House Plant
Philodendron, Split Leaf          Monstera deliciosa                        House Plant
Phlox, Creeping                   Phlox subulata                            Perennials
Phlox, Spreading                  Phlox difussa                             Oregon Native
Phlox, Summer                     Phlox paniculata                          Perennials
Photinia Fraseri                  Photinia fraseri                          Shrubs
Photinia Glabra                   Photinia glabra                           Shrubs
Piggyback Plant                   Tolmiea menziesii                         House Plant
Pin Oak                           Quercus palustris                         Trees
Pincushion                        Scabiosa caucasica                        Perennials
Pincushion                        Scabiosa columbaria                       Perennials
Pine, Austrian                    Pinus nigra                               Trees
Pine, Bosnian                     Pinus heldrichii 'Leucodermis'            Trees
Pine, Bristlecone                 Pinus aristata                            Trees
Pine, Dwarf Mugho                 Pinus mugo 'Pumilio'                      Shrubs
Pine, Dwarf White                 Pinus strobus 'Nana'                      Trees
Pine, Eastern White               Pinus strobus                             Trees
Pine, Japanese Black              Pinus thunbergii                          Trees
Pine, Japanese White              Pinus parviflora 'Glauca'                 Trees
Pine, Lodgepole                   Pinus contorta latifolia                  Trees
Pine, Mugho                       Pinus mugo                                Shrubs
Pine, Murrayana                   Pinus contorta murrayana                  Trees
Pine, Norfolk Island              Araucaria heterophylla                    House Plant
Pine, Ponderosa                   Pinus ponderosa                           Trees
Pine, Scotch                      Pinus sylvestris                          Trees
Pine, Shore                       Pinus contorta                            Trees
Pine, Tanyosho                    Pinus densiflora 'Umbraculifera'          Trees
Pine, Umbrella                    Sciadopitys verticillata                  Trees
Pine, Weeping Japanese            Pinus densiflora 'Pendula'                Trees
Pine, Yew                         Podocarpus macrophyllus                   Shrubs
Pineapple                         Ananas                                    House Plant
Pineapple Guava                   Feijoa sellowiana                         Shrubs
Pink Dawn Viburnum                Viburnum bodnantense 'Dawn'               Shrubs
Pink Elf Hydrangea                Hydrangea macrophylla 'Pia'               Shrubs
Pink Foxglove                     Digitalis purpurea                        Perennials
Pink Jasmine                      Jasminum polyanthum                       Vines
Pink Polka Dot                    Hypestes phyllostachya                    House Plant
Pink Snowball Bush                Viburnum opulus 'Roseum'                  Shrubs
Pinks or Carnation                Dianthus species                          Perennials
Plum, Flowering                   Prunus cerasifera                         Trees
Plum, Japanese                    Prunus salicina                           Trees
Plum, Natal                       Carissa macrocarpa                        House Plant
Plumbago, Cape                    Plumbago auriculata                       Perennials
Plumbago, Dwarf                   Ceratostigma plumbaginoides               Perennials
Pocketbook Flower                 Calceolaria biflora                       Perennials
Poinsettia                        Euphorbia pulcherrima                     House Plant
Point Reyes Ceanothus             Ceanothus gloriosus                       Perennials
Pomegranate                       Punica granatum                           Shrubs
Ponderosa Pine                    Pinus ponderosa                           Trees
Poplar, Lombardy                  Populus nigra 'Italica'                   Trees
Poppy, California                 Eschscholzia californica                  Perennials
Poppy, Himalayan Blue             Meconopsis betonicifolia                  Perennials
Poppy, Iceland                    Papaver nudicaule                         Perennials
Poppy, Matilija                   Romneya coulteri                          Perennials
Poppy, Oriental                   Papaver orientalis                        Perennials
Porcelain Berry Vine              Ampelopsis brivipendunculata              Vines
Port Orford Cedar                 Chamaecyparis lawsoniana                  Trees
Portugal Laurel                   Prunus lusitanica                         Shrubs
Portuguese Broom                  Cytisus striatus                          Oregon Weed
Potato Bush, Blue                 Lycianthes rantonnetii                    Shrubs
Potentilla                        Potentilla fruticosa                      Shrubs
Potentilla, Dwarf                 Potentilla verna nana                     Perennials
Prairie Coneflower                Ratibida pinnata                          Perennials
Prayer Plant                      Maranta leuconeura                        House Plant
Prelude Andromeda                 Pieris taiwanensis 'Prelude'              Shrubs
Primrose, Missouri                Oenothera missouriensis                   Perennials
Primroses                         Primula species                           Perennials
Princeton Sentry Ginkgo           Ginkgo biloba 'Princeton Sentry'          Trees
Privet, Waxleaf                   Ligustrum japonicum 'Texanum'             Shrubs
Profusion Beautyberry             Callicarpa bodinieri 'Profusion'          Shrubs
Prostrate Ceanothus               Ceanothus prostratus                      Oregon Native
Purple Coneflower                 Echinacea purpurea                        Perennials
Purple Fountain Grass             Pennisetum setaceum 'Rubrum'              Perennials
Purple Loostrife                  Lythrum salicaria                         Oregon Weed
Purple Pineapple Lily             Eucomis comosa                            Perennials
Purple-leaf Honeysuckle           Lonicera japonica 'Purpurea'              Vines
Purpleleaf Wintercreeper          Euonymus fortunei 'Colorata'              Vines
Pussy Willow                      Salix discolor                            Trees
Pygmy Bamboo                      Sasa pygmea                               Shrubs
Pyramidal Arborvitae              Thuja occidentalis                        Trees
Pyramidal Japanese Yew            Taxus cuspidata 'Capitata'                Shrubs

Q
Quaking Aspen                     Populus tremuloides                       Trees
Queensland Umbrella Tree          Brassaia actinophylla                     House Plant
Quince, Japanese Flowering        Chaenomeles japonica                      Shrubs

R
Rabbit's Foot Fern                Davalia spp.                              House Plant
Rainbow Leucothoe                 Leucothoe fontanesiana 'Rainbow'          Shrubs
Raisin Tree, Japanese             Hovenia dulcis                            Shrubs
Ranunculus, Persian               Ranunculus asiaticus                      Perennials
Raoulia                           Raoulia australis                         Perennials
Raspberry, Creeping               Rubus calycinoides                        Perennials
Raywood Ash                       Fraxinus oxycarpa 'Raywood'               Trees
Red Alder                         Alnus rubra                               Trees
Red Cedar, Western                Thuja plicata                             Trees
Red Columbine                     Aquilegia formosa                         Perennials
Red Elderberry                    Sambucus racemosa                         Oregon Native
Red Flowering Currant             Ribes sanguineum                          Shrubs
Red Horsechestnut                 Aesculus carnea                           Trees
Red Hot Poker                     Kniphofia uvaria                          Perennials
Red Huckleberry                   Vaccinium parvifolium                     Shrubs
Red Maple                         Acer rubrum                               Trees
Red Oak                           Quercus rubra                             Trees
Red Osier Dogwood                 Cornus sericea occidentalis               Oregon Native
Red Tip Photinia                  Photinia fraseri                          Shrubs
Redbud, Chinese                   Cercis chinensis                          Trees
Redbud, Eastern                   Cercis canadensis                         Trees
Redbud, Forest Pansy              Cercis canadensis 'Forest Pansy'          Trees
Redtwig Dogwood                   Cornus stolonifera                        Shrubs
Redtwig Dogwood                   Cornus stolonifera 'Baileyi'              Shrubs
Redvein Enkianthus                Enkianthus campanulatus                   Shrubs
Redwood, Coast                    Sequoia sempervirens                      Trees
Redwood, Dawn                     Metasequoia glyptostroboides              Trees
Reed Canarygrass                  Phlaris arundinacea                       Oregon Weed
Reeves Skimmia                    Skimmia japonica reevesiana               Shrubs
Reeves Spiraea                    Spiraea cantonensis                       Shrubs
Rheingold Arborvitae              Thuja occidentalis 'Rheingold'            Shrubs
Rhododendron                      Rhododendron                              Shrubs
Rhododendron                      Rhododendron macrophyllum                 Oregon Native
Rhododendron, Dwarf               Rhododendron dwarf                        Shrubs
Rhodohypoxis                      Rhodohypoxis baurii                       Perennials
Rhubarb, Ornamental               Rheum palmatum                            Perennials
Ribbongrass, Canarygrass          Phlaris arundinacea                       Oregon Weed
Richardson's Penstemon            Penstemon richardsonii                    Oregon Native
River Birch                       Betula nigra                              Trees 
Rock Clematis                     Clematis columbiana                       Oregon Native
Rock Cress                        Arabis caucasica                          Perennials
Rock Cress                        Aubrieta deltoidea                        Perennials
Rock Daphne, Ruby Glow            Daphne cneorum 'Ruby Glow'                Shrubs
Rocket, Dame's                    Hesperis matronalis                       Perennials
Rockfoil                          Saxifraga species                         Perennials
Rockrose                          Cistus species                            Shrubs
Rocky Mountain Iris               Iris missouriensis                        Oregon Native
Rocky Mountain Juniper            Juniperus scopulorum                      Shrubs
Rodger's Flower                   Rodgersia aesculifolia                    Perennials
Roemer's Fescue Grass             Festuca roemeri                           Oregon Native
Rose                              Rosa                                      Shrubs
Rose Campion                      Lychnis coronaria                         Perennials
Rose Mallow                       Hibiscus moscheutos                       Perennials
Rose Of Sharon                    Hibiscus syriacus                         Shrubs
Rose, Christmas                   Helleborus niger                          Perennials
Rose, Confederate                 Hibiscus mutabilis 'Rubrus'               Shrubs
Rose, Flower Carpet               Rosa 'Flower Carpet'                      Shrubs
Rose, Japanese                    Rosa rugosa                               Shrubs
Rose, Lenten                      Helleborus orientalis                     Perennials
Rose, Nootka                      Rosa nutkana                              Shrubs
Rose, Wood's                      Rosa woodsii                              Oregon Native
Rosemary                          Rosmarinus officinalis                    Perennials
Rosemary, Bog                     Andromeda polifolia                       Shrubs
Rosemary, Cumberland              Conradina verticillata                    Perennials
Roundleaf Laurustinus             Viburnum tinus 'Robustum'                 Shrubs
Royal Azalea                      Azalea schlippenbachii                    Shrubs
Royal Fern                        Osmunda regalis                           Perennials
Royal Purple Smoke Tree           Cotinus coggygria 'Royal Purple'          Shrubs
Ruby Glow Rock Daphne             Daphne cneorum 'Ruby Glow'                Shrubs
Russian Mulberry                  Morus nigra                               Trees
Russian Olive                     Elaeagnus angustifolia                    Oregon Weed
Russian Sage                      Perovskia atriplicifolia                  Perennials
Rusty-hair Saxifrage              Saxifraga rufidula                        Oregon Native
Rye, Blue Wild                    Elymus glaucus                            Perennials

S
Saffron Crocus                    Crocus sativus                            Perennials
Sage                              Salvia officinalis                        Herbs
Sage, Garden                      Salvia species                            Perennials
Sage, Jerusalem                   Phlomis fruticosa                         Perennials
Sage, Russian                     Perovskia atriplicifolia                  Perennials
Sago Palm                         Cycas revoluta                            House Plant
Salal                             Gaultheria shallon                        Perennials
Salmonberry                       Rubus spectabilis                         Oregon Native
Salt Cedar                        Tamarix ramosissima                       Oregon Weed
San Jose Juniper                  Juniperus chinensis 'San Jose'            Shrubs
Sandwort, Montana                 Arenaria montana                          Perennials
Santa Barbara Ceanothus           Ceanothus impressus                       Shrubs
Santa Barbara Sedge               Carex barbarae                            Oregon Native
Santolina                         Santolina chamaecyparissus                Perennials
Sarcococca Ruscifolia             Sarcococca ruscifolia                     Shrubs
Sarcococca, Himalayan             Sarcococca hookeriana humilis             Shrubs
Sasanqua Camellia                 Camellia sasanqua                         Shrubs
Satomi Dogwood                    Cornus kousa 'Satomi'                     Trees
Saucer Magnolia                   Magnolia soulangiana                      Trees
Savin Juniper                     Juniperus sabina                          Shrubs
Saxafrage, London Pride           Saxifraga umbrosa                         Perennials
Saxifage, Rusty-hair              Saxifraga rufidula                        Oregon Native
Scarlet Bottlebrush               Callistemon citrinus                      Shrubs
Scarlet Oak                       Quercus coccinea                          Trees
Schefflera                        Brassaia actinophylla                     House Plant
Schefflera, Hawaiian Elf          Heptaplurum arboricolum                   House Plant
Scotch Broom                      Cytisus scoparius                         Oregon Weed
Scotch Heather                    Calluna vulgaris                          Shrubs
Scotch Moss                       Sagina sublata 'Aurea'                    Perennials
Scotch Pine                       Pinus sylvestris                          Trees
Sea Green Juniper                 Juniperus chinensis 'Sea Green'           Shrubs
Sea Holly                         Eryngium amethystinum                     Perennials
Sea Lavender                      Limonium latifolium                       Perennials
Sea Thrift                        Armeria maritima                          Perennials
Seaside Daisy                     Erigeron glaucus                          Oregon Native
Sedge, Berkeley                   Carex tumulicola                          Perennials
Sedge, Fox Red Curly              Carex buchananii                          Perennials
Sedge, Orange                     Carex testacea                            Perennials
Sedge, Santa Barbara              Carex barbarae                            Oregon Native
Sedge, Slough                     Carex obnupta                             Oregon Native
Sedge, Variegated Japane          Carex morrowii expallida                  Perennials
Sedum                             Sedum species                             Perennials
Sedum, Fall                       Sedum spectibile & Sedum telephium        Perennials
Sensitive plant                   Mimosa pudica                             House Plant
Sequoia, Giant                    Sequoiadendron giganteum                  Trees
Sequoia, Weeping                  Sequoiadendron giganteum 'Pendulum'       Trees
Serbian Spruce                    Picea omorika                             Trees
Serbian Spruce, Dwarf             Picea omorika 'Nana'                      Trees
Serviceberry                      Amelanchier canadensis                    Trees
Serviceberry, Apple               Amelanchier grandiflora                   Trees
Serviceberry, Shadblow            Amelanchier canadensis                    Shrubs
Serviceberry, Western             Amelanchier alnifolia                     Trees
Shadblow Serviceberry             Amelanchier canadensis                    Shrubs
Shamrock                          Oxalis species                            House Plant
Shamrock, Native                  Oxalis oregana                            Perennials
Shasta Daisy                      Chrysanthemum maximum                     Perennials
Shasta Daisy                      Leucanthemum x superbum                   Perennials
Shirobana Spirea                  Spiraea japonica 'Shirobana'              Shrubs
Shooting Star, Henderson's        Dodecatheon hendersonii                   Oregon Native
Shore Juniper                     Juniperus conferta                        Shrubs
Shore Pine                        Pinus contorta                            Trees
Shore Pine                        Pinus contorta 'Contorta'                 Oregon Native
Showy Fleabane                    Erigeron speciosus                        Oregon Native
Siberian Bugloss                  Brunnera macrophylla                      Perennials
Siberian Iris                     Iris sibirica                             Perennials
Siberian Meadowsweet              Filipendula palmata                       Perennials
Silk Tassel, Coast                Garrya elliptica                          Shrubs
Silk Tree                         Albizia julibrissin                       Trees
Skimmia, Female                   Skimmia japonica - female                 Shrubs
Skimmia, Male                     Skimmia japonica - male                   Shrubs
Skimmia, Reeves                   Skimmia japonica reevesiana               Shrubs
Smoke Tree, Royal Purple          Cotinus coggygria 'Royal Purple'          Shrubs
Snow-in-Summer                    Cerastium tomentosum                      Perennials
Snowball Bush, Common             Viburnum opulus 'Sterile'                 Shrubs
Snowball, Dwarf                   Viburnum opulus 'Nana'                    Shrubs
Snowball, Fragrant                Viburnum carlcephalum                     Shrubs
Snowball, Pink                    Viburnum opulus 'Roseum'                  Shrubs
Snowbell, Japanese                Styrax japonica                           Trees
Snowberry                         Symphoricarpos alba                       Shrubs
Snowdrop                          Galanthus nivalis                         Perennials
Snowflake                         Leucojum vernum                           Perennials
Soapwort                          Saponaria species                         Perennials
Sourwood                          Oxydendrum arboreum                       Trees
Speedwell                         Veronica spicata                          Perennials
Spicebush, Korean                 Viburnum carlesii                         Shrubs
Spirea, Anthony Waterer           Spiraea bumalda 'Anthony Waterer'         Shrubs
Spirea, Ash Leaf                  Sorbaria sorbifolia                       Shrubs
Spirea, Bridal Wreath             Spiraea prunifolia                        Shrubs
Spirea, Hardhack                  Spiraea douglasi                          Shrubs
Spirea, Reeves                    Spiraea cantonensis                       Shrubs
Spirea, Shirobana                 Spiraea japonica 'Shirobana'              Shrubs
Spruce, Colorado Blue             Picea pungens 'Glauca'                    Trees
Spruce, Dwarf Alberta             Picea glauca 'Conica'                     Shrubs
Spruce, Dwarf Serbian             Picea omorika 'Nana'                      Trees
Spruce, Nest                      Picea abies 'Nidiformis'                  Shrubs
Spruce, Norway                    Picea abies                               Trees
Spruce, Serbian                   Picea omorika                             Trees
Spruce, Weeping Norway            Picea abies 'Pendula'                     Trees
Spurge                            Euporbia species                          Perennials
Spurge, Japanese                  Pachysandra terminalis                    Perennials
St. Johns Wort                    Hypericum calycinum                       Perennials
Stachyurus                        Stachyurus preacox                        Shrubs
Statice, German                   Goniolimon tataricum                      Perennials
Stephanotis                       Stephanotis floribunda                    House Plant
Stewartia, Japanese               Stewartia pseudocamellia                  Trees
Strawberry Tree, Compact          Arbutus unedo 'Compacta'                  Shrubs
Strawberry Tree, Marina           Arbutus hybrid 'Marina'                   Shrubs
Strawberry, Barren                Waldestenia fragarioides                  Perennials
Strawberry, Wild                  Fragaria chiloensis                       Perennials
Sumac, Fragrant                   Rhus aromatica                            Trees 
Sumac, Staghorn                   Rhus typhina                              Trees
Summersweet                       Clethra alnifolia                         Shrubs
Sunflower                         Helianthus species                 
Sunrose                           Helianthemum nummularium                  Perennials
Sweet Bay                         Laurus nobilis                            Shrubs
Sweet Flag, Golden Varie.         Grass, Acorus gramineus 'Variegatus       Perennials
Sweet Olive                       Osmanthus fragrans                        Shrubs
Sweet Violet                      Viola odorata                             Perennials
Sweetgum                          Liquidambar styraciflua                   Trees
Sweetspire                        Itea virginica                            Shrubs

T
Tallhedge                         Rhamnus frangula 'Columnaris'             Shrubs
Thimbleberry                      Rubus parviflorus                         Shrubs
Thyme                             Thymus species                            Perennials
Toadflax                          Linaria purpurea                          Perennials
Tree Mallow                       Lavatera thuringiaca                      Perennials
Trillium                          Trilium ovatum                            Perennials
Trumpet Vine                      Campsis radicans                          Vines
Trumpet Vine, Madame Gale         Campsis tagliabuana 'Madame Galen'        Vines
Tulip Tree                        Liriodendron tulipifera                   Trees
Twinspur                          Diascia species                           Perennials

V
Verbena, Homestead Purple         Verbena hybrid 'Homestead Purple'         Perennials
Viburnum, Burkwood                Viburnum burkwoodii                       Shrubs
Viburnum, David's                 Viburnum davidii                          Shrubs
Viburnum, Maries Doublefile       Viburnum plicatum 'Mariesii'              Shrubs
Viburnum, Pink Dawn               Viburnum bodnantense 'Dawn'               Shrubs
Viburnum, Spring Bouquet          Viburnum tinus 'Compactum'                Shrubs
Virginia Bluebells                Mertensia virginica                       Perennials
Virginia Creeper                  Parthenocissus quinquefolia               Vines  

W
Weigela                           Weigela florida                           Shrubs
Willow, Dwf Alaskian Blue         Salix purpurea nana                       Shrubs
Willow, Niobe                     Salix alba 'Tristis'                      Trees
Willow, Pussy                     Salix discolor                            Shrubs
Willow, Weeping                   Salix babylonica                          Trees
Winter Hazel Spike                Corylopsis spicata                        Shrubs
Winter hazel                      Corylopsis species                        Shrubs
Winter hazel, Buttercup           Corylopsis pauciflora                     Shrubs
Wintercreeper, Purpleleaf         Euonymus fortunei 'Colorata'              Vines
Wintergreen                       Gaultheria procumbens                     Perennials
Wisteria, Chinese                 Wisteria sinensis                         Vines
Wisteria, Japanese                Wisteria floribunda                       Vines
Witch Hazel                       Hamamelis intermedia                      Shrubs
Witch Hazel, Diane                Hamamelis intermedia 'Diane'              Shrubs
Witch Hazel, Eastern              Hamamelis virginiana                      Shrubs
Witch Hazel, Pallida              Hamamelis intermedia 'Pallida'            Shrubs
Witch Hazel, Persian              Parrotia persica                          Shrubs
Witch Hazel, Vernal               Hamamelis vernalis                        Shrubs
Woodruff, Sweet                   Galium odoratum                           Perennials
Wormwood                          Artemisia species                         Perennials

Y
Yarrow                            Achillea species                          Perennials
Yellowwood                        Cladrastis lutea                          Shrubs
Yew, Emerald Spreader             Taxus 'Emerald Spreader'                  Shrubs
Yew, Hick's Columnar              Taxus x media 'Hicksii'                   Shrubs
Yew, Irish                        Taxus baccata 'Fastigiata'                Shrubs
Yew, Spreading English            Taxus baccata 'Repandens'                 Shrubs
Yew, Spreading Japanese           Taxus cuspidata                           Shrubs
Yucca                             Yucca recurvifolia                        Shrubs
Yucca Glauca Or Soapweed          Yucca glauca                              Shrubs
Yucca, Adams Needle               Yucca filamentosa                         Shrubs

Z
Zelkova                           Zelkova serrata                           Trees


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Common and Scientific Names of Trees, Shrubs, Vines & Perennials
Perennials by Flower Season and Height
Perennials in Alphabetical Order
Shrubs by Flower Season and Height
Shrubs in Alphabetical Order
Tree Color by Season and Height
Trees in Alphabetical Order
Vine Color by Season and Height
Vines in Alphabetical Order



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