Perennial Color

by Rod Smith

Former Iowa Certified Nurseryman and
Oregon Certified Nursery Professional

© 2000-2025 Rodney A. Smith
The information contained in this website is now available in book form: The Art of Home Gardening, Volumes 1 and 2. Find them on Amazon at The Art of Home Gardening

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You can find plants by common name by clicking on Common and Scientific Names of Trees, Shrubs, Vines & Perennials

Click on underlined plant names to see a picture.
NAT = Native. PNP = Included in the Portland Native Plant list of recommended plants.
NEG = Needleleaf Evergreen. BEG = Broadleaf Evergreen. Unmarked plants are deciduous.
FR = Fire Resistant.

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


Scientific name           USDA Zone Height X Width      Description
  Common name                 Water Exposure

A
Acanthus mollis                7-10 3' X 3'    Large, shiny green leaves. Spike
  Grecian Pattern Plant        Med. Sun-Part     of lilac or rose flowers in June.
Achillea millefolium           3-8  30" X 2'   NAT. White flat flowers in summer.
  Common Yarrow                Low  Sun          Good dried flowers.        PNP FR
Achillea species               4-8  30" X 2'   Yellow or pastel flower heads in
  Yarrow                       Low  Sun-Part     June-Sept. Good cut or dried.  FR
Achlys triphylla               7-9  10" X 6"   NAT. Three lobed leaf with stalk
  Vanilla Leaf                 Med. Shade-Part   of white flowers above leaf.  PNP
Aconitum colubianum            6-9  3' X 2'    NAT. Blue flowers in August. Deeply
  Native Monkshood             High Sun-Part     divided leathery leaves.
Aconitum napellus              5-8  4' X 18"   Blue or soft pink helmet-shaped
  Monkshood                    High Part Shade   flowers July-August. Poisonous.
Actaea racemosa                3-8  6' X 3'    Spikes of white flowers from July
  Bugbane, Black Cohosh        High Sun-Part     to Oct. Seed clusters good dried.
Actaea rubra                   4-8  18" X 12"  NAT. Fluffy white flowers in May-
  Red Baneberry                Med. Part Shade   June. Red berries in summer.  PNP
Adenocaulon bicolor            6-10 18" X 18"  NAT. Green leaves are white under-
  Pathfinder                   Med. Shade        neath. White flowers May-June.PNP
Aegopodium podagraria 'Variega 1-9  6" X 30"   Low, dense mass of light green
  Variegated Bishop's Weed     Med. Sun-Shade    leaves with white edges. Spreads.
Agapanthus africanus           7-10 2' X 2'    BEG. Stalks of blue or white flow-
  Lily Of The Nile             Low  Sun-Part     ers in summer. Needs shelter.
Agastache species              4-9  2' X 1'    Attracts hummingbirds. Masses of
  Hyssop                       Med. Sun          red, pink or lavender flowers. FR
Agastache urticifolia          3-9  4' X 3'    NAT. White-violet flowers in summer
  Nettleleaf Giant Hyssop      L-M  Sun-Part     feed bees, butterflies, hummers.
Agave americana                8-11 5' X 8'    BEG. Rosette of thick leaves with
  Century Plant                Low  Sun          sharp spines on the edges.
Agave parryi neomexicana       7-9  12" X 12"  BEG. Rosette of thick blue-green
  New Mexico Century Plant     Low  Sun          leaves with burgandy spines.
Ajuga reptans                  3-9  5" X 2'    BEG. Blue flowers in spring. Green,
  Carpet Bugle                 Med. Sun-Part     bronze or variegated leaves.   FR
Alcea rosea                    2-9  5' X 2'    Biennial. Old fashioned favorite
  Hollyhock                    Med. Sun          now in many colors July-August.
Alchemilla mollis              4-8  15" X 1'   Scalloped leaves hold raindrops.
  Lady's Mantle                Med. Sun-Part     Good cut greenish flowers in June
Alisma gramineum               5-8  12" X 12"  NAT. White flowers in summer. Needs
  Narrow-leaf Water Plantain   High Sun          constantly wet soil.          PNP
Allium cernuum                 4-8  15" X 6"   NAT. Purplish-pink to white flowers
  Nodding Onion                L-M  Sun-Part     June-August feed butterflies  PNP
Allium cristophii              4-8  18" X 15"  Bulb. Large, round clusters of
  Star of Persia               L-M  Sun          lavender flowers in May-June.  FR
Allium giganteum               6-10 5' X 1'    Bulb. Ball-like clusters of lilac
  Giant Allium                 Med. Sun          flowers in July feed bees.
Allium schoenoprasum           3-9  18" X 18"  NAT, Bulb. Pink flowers in May-June
  Chives                       Med. Sun          feed bees, butterflies.
Allium unifolium               4-9  18" X 4"   NAT. Bulb. Cluster of rose-pink
  Oneleaf Onion                Med. Sun.         flowers feed bees, butterflies.
Alstroemeria species           7-9  2' X 2'    Orange, yellow, pink, red and white
  Peruvian Lily                Med. Sun-Part     flowers June to July. Good cut.
Amaryllis belladona            7-9  2' X 1'    Leaves in spring. Fragrant pink
  Naked Lady                   Low  Sun-Part     trumpets on bare stems in fall.
Amsonia ciliata                5-9  4' X 6'    Arching narrow leaves. Seed pods in
  Blue Milkweed                Med. Sun-Part     late summer. Golden in fall.
Anaphalis margaritacea         3-8  2' X 1'    NAT. Gray-green leaves. Papery
  Pearly Everlasting           L-M  Sun          white flowers in late summer. PNP
Anemone blanda                 4-8  4" X 6"    Bulb. Single blue, pink or white
  Grecian Windflower           Low  Sun-Part     flower in March.
Anemone coronaria              7-9  15" X 9"   Bulb. Red, blue, purple or white
  Poppy Anemone                Med. Part shade   flowers May and June. Good cut.
Anemone huphensis              4-8  2' X 15"   Purple to white flowers in fall.
  Japanese Anemone             Med. Sun-Part     Excellent for cut flowers.
Anemone multifida              3-9  15" x 18"  NAT. Purplish flowers in summer.
  Pacific Anemone              Med. Part Shade   Seedheads used by hummers.    PNP
Anemone parviflora             3-7  8" x 8"    NAT. White/blue poppy-like flowers
  Small-Flowered Anemone       Med. Sun-Part     June-August.
Anemone pulsatilla             4-8  1' x 1'    Low mound of featherly leaves.
  Pasque Flower                Med. Sun-Part     Violet flowers in spring.
Anemone sylvestris             3-8  15" x 15"  Fragrant pure white flowers in May-
  Snowdrop Anemone             Med. Shade-Part   June.
Antennaria argentea            4-7  12" x 12"  NAT. Drought tolerant. White
  Silver Pussytoes             Low  Sun          flowers in May-July.           FR
Antennaria parvifolia          5-7  5" x 8"    NAT. Low mat of silver-gray leaves.
  Small-Leaf Pussytoes         Low  Sun-Part     Creamy white flowers all summer.
Anthemis tinctoria             3-8  2' X 2'    Pale yellow daisies in summer. Cut
  Hardy Marguerite Daisy       Med. Sun          flowers. Attracts butterflies.
Apocynum canabinum             4-9  3' x 2'    Clusters of tiny white flowers in
  Indian Hemp                  L-M  Sun          summer feed butterflies.
Aquilegia formosa              3-9  2' X 1'    NAT. Red flowers in May to Aug.
  Western Columbine            Low  Part Sun     Attracts hummingbirds.     PPL FR
Aquilegia species              3-9  2' X 18"   Red, white or blue flowers in May.
  Columbine                    Med. Sun-Shade    Feeds hummingbirds/butterflies.FR
Arabis caucasica               4-9  6" X 18"   White flowers on fleshy leaves in
  Rock Cress                   L-M  Sun-Part     April-May. Good rock garden.   FR
Aralia californica             7-9  8' X 8'    NAT. Huge leaves turn gold in fall.
  Elk Clover                   M-H  Shade-Part   White flowers feed bees, butterf.
Arctostaphylos uva-ursi        3-8  8" X 3'    NAT BEG. Pink flowrs. Red berries
  Kinnikinick                  Low  Sun-Part     for birds. Good groundcover.  PNP
Arenaria montana               5-8  4" X 18"   Low mound of white flowers from
  Montana Sandwort             Med. Sun-Part     March to April. Likes lime.
Armeria maritima               3-9  10" X 12"  NAT BEG. Mound of leaves. Pink or
  Sea Thrift                   Med. Sun-Part     white flowers Apr-June.        FR
Artemisia douglasiana          6-10 4' X 3'    NAT. Yellow gray flowers in summer
  Douglas Mugwort              L-M  Sun-Shade    feed bees, birds and butterflies.
Artemisia pycnocephala         8-10 18" X 30"  NAT BEG. Clusters of yellow flowers
  Sand Hill Sage               Low  A.M. Sun     in summer. Salt tolerant.
Artemisia species              3-9  1' X 2'    Silvery leaves in many shapes.
  Wormwood                     Low  Sun          Yellow flowers in August.
Aruncus dioicus                4-8  5' X 3'    NAT. Creamy white flowers in April
  Goat's Beard                 M-H  Sun-Part     to May feed bees, butterflies.
Asarum caudatum                4-8  4" X 2'    NAT. Heart shaped leaves. Maroon
  Wild Ginger                  High Shade-Part   flowers early spring.         PNP
Asarum splendens               5-9  6" X 2"    Large leaves with white stripes.
  Chinese Ginger               High Shade-Part   Tiny red flowers in spring.
Aspidistra elatior             7-11 24" X 24"  BEG. Strap like leaves. Tolerates
  Cast Iron Plant              Med. Shade-Part   deep shade. Very tough.
Aster ericoides                3-10 24" X 18"  NAT. Bushy with many white flowers
  Heath Aster                  L-M  Sun          May-Sept. Feeds bees, butterflies
Aster tongolensis 'Wartburg'   4-9  15" X 15"  Violet flowers with golden orange
  Wartburg Aster               Med. Sun          centers in June to September.
Aster x frikartii              5-8  2' X 2'    Large lavender blue daisies from
  Frikart's Aster              Med. Sun-Part     May to frost if deadheaded.
Astilbe x arendsii             3-9  30" X 18"  Tall spikes of red, pink or white
  Astilbe                      M-H  Sun-Shade    flowers from May to July.
Astrantia major                4-7  2' X 2'    Red, pink or white flowers in
  Masterwort                   Med. Sun-Part     summer. Good cut or dried.
Aubrieta deltoidea             4-8  5" X 15"   Low mat of red to blue flowers in
  Rock Cress                   L-M  Sun-Part     May-June. Good in rock walls.  FR
Aurinia saxatilis              3-8  12" X 18"  BEG. Green gray leaves with yellow
  Basket Of Gold               Med. Sun-Part     flowers April-June.            FR

B
Ballota nigra 'Archers Variety 6-9  2' X 3'    Leaves have white streaks and spots
  Variegated Horehound         Low  Sun          Tiny purple flowers in summer.
Balsamorhiza sagittata         4-9  15" X 15"  NAT. Drought tolerant. Yellow
  Arrowleaf Balsamroot         Low  Sun          flowers in May-June.
Baptisia australis             3-9  4' X 4'    Spikes of indigo blue flowers May-
  False Indigo                 L-M  Sun          June feed butterflies hummers  FR
Beesia deltophylla             6-8  18" X 18"  BEG. Grouidcover. Heart shaped
  Beesia                       Med. Shade-Part   leaves. White flowers in May.
Bellis perennis                4-8  5" X 6"    Red, rose, and white flowers in
  English Daisy                Med. Sun-Part     April and May. Good in lawns.
Bellium minutum                5-9  2" X 15"   BEG. Groundcover. White daisy flow-
  Miniature Mat Daisy          L-M  Shade        ers in summer.
Bergenia cordifolia            3-8  12" X 18"  BEG. Large heart shaped leaves.
  Heartleaf Bergenia           Med. Sun-Part     Pink flowers in spring.        FR
Bletilla striata               5-9  18" X 10"  Pinkish-purple flowers on tall stem
  Hardy Orchid                 Med. Part Sun     in June to July.
Boltonia asteroides            3-9  5' X 3'    Thousands of white or pink daisies
  False Aster                  Med. Sun          in August to October.
Boykinia occidentalis          7-9  18" X 3'   NAT. Likes wet soil. White flowers
  Coastal Brookfoam            High Sun          in June-Sept. Feeds bees.     PNP
Brunnera macrophylla           4-9  10" X 10"  Airy clusters of blue flowers above
  Siberian Bugloss             High Part Shade   heart shaped leaves in March-June

C
Calceolaria biflora            8-9  12" X 8"   BEG. Pouch-like flowers of yellow
  Pocketbook Flower            Med. Shade-Part   and red in May and June.
Calendula officinalis          8-11 18" X 2'   Yellow-orange flowers all year in
  Pot Marigold                 Med. Sun-Part     warmer climates. Annual in colder
Callirhoe involucrata          4-9  8" X 30"   NAT. Magenta cuplike flowers June-
  Poppy Mallow                 L-M  Sun-Part     August feed hummingbirds.      FR
Calochortus tolmiei            6-9  8" X 5"    NAT. Fuzzy white and purple flowers
  Tolmie Star-Tulip            Low  Sun-Part     April-July. Needs good drainage.+
Caltha leptosepala             5-8  12" X 12"  NAT. Pond or bog plant. White flow-
  Western Marsh Marigold       High Sun-Part     ers May to August.
Caltha palustris               3-7  18" X 18"  NAT. Wetland plant. Clusters of
  Marsh Marigold               Low  Sun-Part     yellow flowers in early spring.
Caltha polypetala              4-7  18" X 18"  NAT. Clusters of golden flowers in
  Giant March Marigold         High Sun          early spring to summer.
Calypso bulbosa                6-9  6" X 12"   NAT. Fragrant pink/yellow/white
  Fairy Slipper                Med. Part Shade   orchid flowers March-July.
Camassia cusickii              3-8  30" X 18"  NAT Bulb. Long racemes of pale blue
  Cusick's Camas               Med. Sun-Part     star shaped flowers in May-June.
Camassia quamash               4-11 18" X 12"  NAT Bulb. Blue star flowers in
  Common Camas                 Med. Sun-Part     May-June feed bees.             P
Campanula rotundifolia         3-6  18" X 12"  NAT. Bell shaped blue flowers in
  Bluebell                     Med. Sun-Part     summer feed butterflies, hummers.
Campanula species              4-8  1-5' X 1'  Bell or star shaped flowers. Many
  Bellflower                   High Shade-Part   forms and colors are available.
Canadanthus modestus           2-8  2' X 2'"   NAT. Pink-purple flowers w/ white
  Great Northern Aster         Med. Sun-Part     centers in Aug-Sept. Feeds bees.
Canna hybrid                   8-11 3-6' X 2'  Tall stalk with large leaves and
  Canna                        Med. Sun          many colored flowers.
Castilleja miniata             3-9  24" X 18"  NAT. Tubular red and orange flowers
  Giant Red Indian Paintbrush  Med. Sun-Part     in summer feed butterflies.
Catananche caerulea            3-9  30" X 10"  Blue-lavender daisy-like flowers in
  Cupid's Dart                 Low  Sun          summer-fall. Papery seedheads.
Ceanothus gloriosus            7-9  20" X 5'   BEG. Blue flowers in late spring.
  Point Reyes Ceanothus        L-M  Sun          Low mound.                     FR
Ceanothus prostratus           5-9  4" X 3'    NAT BEG. Purple or blue flowers
  Prostrate Ceanothus          L-M  Sun          in June. Groundcover.
Centranthus ruber              5-8  3' X 18"   Rosy red flowers from June to Sept.
  Jupiter's Beard              Low  Sun-Part     Good cut flowers. Needs drainage.
Cerastium tomentosum           3-7  6" X 2'    BEG. Silvery gray leaves. White
  Snow-in-Summer               Med. Sun-Part     flowers in early summer.       FR
Ceratostigma plumbaginoides    6-9  18" X 12"  Intense blue flowers from July to
  Dwarf Plumbago               Med. Sun-Part     September. Reddish new leaves.
Chamaenerion angustifolium     2-7  4' X 2'    NAT. Spikes of purplish-pink flow-
  Fireweed                     Med. Sun-Part     ers in summer. Deadhead promptly.
Chelone lyonii                 3-8  30" X 24"  Unusual pink to rose flowers in
  Pink Turtlehead              M-H  Sun-Part     fall resemble a turtle's head.
Chionodoxa forbesii            3-8  8" X 5"    Bulb. Violet-blue flowers February
  Glory of the Snow            Med. Sun-Part     to April. Dormant in summer.
Chrysanthemum coccinneum       3-7  30" X 2'   Finely divided leaves. Pink, red
  Painted Daisy                Med. Sun          or white flowers in May.
Chrysanthemum x morifolium     3-9  2' X 3'    Many colors and styles of flowers
  Garden Chrysanthemum         Med. Sun          August to frost. Good cut.
Claytonia lanceolata           4-8  8" X 8"    NAT. White flowers w/ pink stripes
  Western Spring Beauty        M-H  Sun          April to June. Self seeding.
Claytonia sibirica             5-10 18" X 2'   NAT. White flowers w/ pink stripes
  Siberian Spring Beauty       M-H  Sun-Shade    April-June. Self seeding.
Colchicum autumnale            4-9  6" X 6"    Bulb. Only leaves in the spring.
  Fall Crocus                  L-M  Sun-Part     Lilac flowers in fall.
Colocasia esculenta            8-10 5' X 5'    BEG. Large leaves in green to
  Elephant Ears, Taro          M-H  Part Sun     black.
Conradina verticillata         6-8  1' X 3'    Aromatic leaves. Lavender pink
  Cumberland Rosemary          L-M  Sun          flowers in June.
Convallaria majalis            3-8  10" X 10"  Small fragrant bell-shaped white
  Lily-of-the-Valley           Med. Shade-Part   flowers in May. Poisonous.     FR
Convolvulus mauritanicus       8-11 5" X 2'    BEG. Lavender blue trumpet flowers
  Ground Morning Glory         Low  Sun-Part     May to September.
Coreopsis lanceolata           4-9  18" X 18"  NAT. Daisy-like yellow flowers in
  Lanceleaf Tickseed           Low  Sun          May to July feed bees, butterfly.
Coreopsis rosea                3-9  18" X 30"  Profuse pink daisies from June
  Pink Coreopsis, Tickseed     Med. Sun          to September feed butterflies  FR
Coreopsis verticilata          3-9  18" X 18"  Profuse yellow daisies from June
  Whorled Coreopsis, Tickseed  Low  Sun-Part     to September feed butterflies. FR
Cornus unalaschkensis          1-8  3" X 2'    White flowers in spring. Red
  Western Bunchberry           Med. Sun-Shade    berries in fall feed birds.   PNP
Corydalis elata                5-8  18" X 18"  BEG. Fragrant blue flowers May-July
  Blue Fumewort                Med. Part Shade   Fernlike yellow-green leaves.
Corydalis lutea                5-8  18" X 18"  Yellow flowers June to August.
  Fumewort                     High Shade-Part   Fernlike leaves.
Cosmos atrosanguineus          7-10 30" X 2'   Deep blood red flowers in summer.
  Chocolate Cosmos             Med. Sun          Chocolate or vanilla fragrance.
Cotoneaster dammeri            5-8  10" X 5'   BEG. White flowers in May-June.
  Bearberry Cotoneaster        L-M  Sun-Part     Red berries in fall feed birds
Cotula squalida                4-8  2" X 1'    BEG. Button flowers in May-June.
  Brass Buttons                Med. Part Sun     Fern-like foliage creeps.
Crocosmia crocosmiliflora      6-9  3' X 18"   Strings of orange-crimson flowers
  Montbretia                   Low  Sun-Part     in July and August. Good cut.
Crocus sativus                 5-9  8" X 4"    Bulb. Lilac flowers in fall.
  Fall or Saffron Crocus       Low  Sun          Stigma of flower makes saffron.
Crocus vernus                  3-8  4" X 3"    Bulb. White, pink, blue, or purple
  Dutch Crocus                 Med. Sun-Part     flowers in February to March.  FR
Cyclamen hederifolium          5-9  4" X 1'    Leaves marbled silver and white.
  Hardy Cyclamen               Med. Part Sun     White or pink flowers August-Oct.
Cynara cardunculus             7-10 10' X 4'   Large, toothed silvery leaves. Blue
  Cardoon                      Med. Sun          violet flowers July-September.
Cynoglossum grande             7-10 2' X 1'    NAT. Blue flowers with white center
  Western Hound's Tongue       L-M  Part Sun     in spring feed butterflies.

D
Dahlia hybrids                 8-9  2-6'X 2-4' Tuber. Many colors and forms. Dig
  Dahlia                       Med. Sun-Part     or cover with mulch in the fall.
Darmera peltata                5-7  4' X 4'    NAT. Large rounded leaves. Clusters
  Umbrella Plant               High Sun-Shade    of pink to white flowers.
Delosperma cooperi             6-10 4" X 2'    BEG. Succulent foliage with magenta
  Ice Plant                    Low  Sun          daisies June-September.        FR
Delphinium species             3-7  3-6' X 2'  Tall spikes of blue, lavender, or
  Larkspur                     Med. Sun          white in June. Good cut.       FR
Delphinium trolliifolium       6-9  3' X 2'    NAT. Purplish blue flowers on tall
  Poison Larkspur              Med. Shade-Part   flower stalks May to July.     FR
Dianella tasmanica             9-11 2' X 2'    BEG. Blue-purple flowers in spring.
  Flax Lily                    Med. Shade-Part   Borderline hardy.
Dianthus barbatus              3-9  18" X 10"  Biennial. Clusters of white to red
  Sweet William                Med. Sun-Part     flowers in May-July.           FR
Dianthus species               4-8  12" X 3'   Low mound or tall cut flower in
  Carnations or Pinks          Med. Sun-Part     pink, red or white May-July.   FR
Diascia species                9-11 10" X 2'   Low spreading plant with pink flow-
  Twinspur                     Low  Sun-Part     ers June to Sept. Semi-hardy.
Dicentra cucullaria            3-8  10" X 10"  NAT. Blue green leaves. Pantaloon-
  Dutchman's Breeches          Med. Shade-Part   shaped white flowers in April-May
Dicentra eximia                3-9  18" X 18"  Dark pink flowers April to frost
  Fringed Bleeding Heart       Med. Part Sun     feed bees and hummingbirds.
Dicentra formosa               3-8  18" X 30"  NAT. Pink flowers April to June.
  Western Bleeding Heart       Low  Shade-Part   Dark fern-like leaves.     PNP FR
Dicentra spectabilis           3-9  30" X 24"  Dainty pink or white flowers in
  Bleeding Heart               Med. Part Shade   April to June.
Dichelostemma capatatum        9-11 30" X 4"   NAT. Purplish blue flowers in March
  Bluedicks                    Low  Sun          to May feed bees, hummingbirds.
Dichelostemma congestum        6-10 30" X 4"   NAT. Lilac-purple flowers in June
  Ookow                        Low  Sun          feed bees.
Dichelostemma ida-maia         5-8  18" X 24"  NAT. Crimson tubular flowers in
  Firecracker Flower           Low  Sun          June feed butterflies, hummers.
Dicliptera suberecta           7-9  24" X 24"  Orange red tubular flowers attract
  Hummingbird Plant            Low  Sun          hummingbirds all summer.
Dierama pulcherrimum           7-10 4' X 5'    Sword-like leaves. Purple to white
  Wand Flower                  High Sun          bell-shaped flowers May-June.
Dietes bicolor                 9-11 18" X 15"  Iris-like leaves. Yellow and maroon
  African Iris                 Med. Sun-Part     flowers spring-fall. Semi-hardy.
Digitalis purpurea             4-8  30" X 12"  Spike of white to pink spotted flo-
  Pink Foxglove                Med. Part shade   wers May-June. Poisonous leaves.
Dimorphotheca barberae         4-8  12" X 18"  Purple flowers from fall to spring.
  African Daisy                Med. Sun          Needs good drainage.
Dodecatheon dentatum           5-8  12" X 10"  NAT in Columbia Gorge. White flow-
  White Shooting Star          Med. Part Shade   ers in May. Rosette of leaves.
Dodecatheon hendersonii        5-8  12" X 12"  NAT. Pink flowers in spring. Needs
  Broad-leaved Shooting Star   Low  Sun-Part     good drainage. Bees.          PNP
Dodecatheon jeffreyi           4-9  18" X 15"  NAT. Rose-purple flowers May-June.
  Sierra Shooting Star         Med. Sun-Part     Disappears by mid-summer.
Dodecatheon pulchellum         4-7  12" X 4"   NAT. Magenta flowers in spring.
  Few Flowered Shooting Star   Med. Sun-Part     Feeds bees. Then disappears.  PNP
Doronicum cordatum             4-8  18" X 12"  Bulb. Yellow daisy flowers on tall
  Leopard's Bane               Med. Part Shade   stems April-June. Good cut.
Drosera rotundifolia           3-8  8" X 5"    NAT. Carnivorous plant. White to
  Roundleaf Sundew             Med. Sun-Part     pinkish flowers June-August.
Dryas octopetala               3-6  6" X 30"   NAT BEG. Groundcover. White flowers
  Mountain Avens               Low  Sun          in summer.

E
Echinacea purpurea             4-9  2' X 3'    Showy flowers of drooping purple
  Purple Coneflower            Med. Sun-Part     petals in summer. Bees.        FR
Echinops exaltatus             4-9  3' X 3'    Coarse, prickly, gray-green leaves.
  Globe thistle                Med. Sun          Steel blue flowers July to Sept.
Eleocharis palustris           4-9  3' X 3'    NAT wetland plant. Seed heads on 3'
  Creeping Spike-rush          High Sun          spikes for birds, amphibians. PNP
Epilobium canum                8-10 12" X 30"  NAT. Orange scarlet summer flowers.
  California Fuchsia           Low  Sun-Part     attract hummingbirds.          FR
Epimedium grandiflorum         5-8  1' X 3'    BEG. Red, white, pink or violet
  Bishop's Hat                 L-M  Part Shade   flowers. Bronze leaves.
Epipactus gigantea             5-10 20" X 6"   NAT. Tall stem of greenish to rose
  Stream Orchid                High Part Sun     flowers with red markings Apr-Jul
Eranthis hyemalis              4-9  4" X 6"    Bulb. Yellow flowers in late winter
  Winter Aconite               Med. Sun-Part     Green leaves only in spring.
Eremurus species               5-8  5' X 2'    Bulb. White to pink flower spikes
  Foxtail Lily                 Med. Sun          in early summer feed hummingbirds
Erigeron decumbens             7-8  18" X 18"  NAT BEG. Light purple or pink flow-
  Seaside Daisy                Med. Sun-Part     ers Aug. to frost.            PNP
Erigeron glaucus               8-9  15" X 12"  NAT. Lavender to white flower with
  Seaside Fleabane Daisy       L-M  Sun-Part     yellow to purple centers Apr-Aug.
Erigeron linearis              5-8  8" X 24"   NAT. Yellow daisylike flowers May-
  Desert Yellow Fleabane       Low  Sun-Part     July.                          FR
Erigeron speciosus             3-8  18" X 18"  NAT. Drought tolerant. Lavender
  Showy Fleabane               Med. Sun          petals w/ yellow centers summer.
Eriogonum nudum                6-9  4' X 18"   NAT BEG. Drought tolerant. Yellow
  Barestem Buckwheat           Low  Sun          summer flowers. Feeds birds.
Eriogonum umbellatum           4-8  10" X 30"  NAT BEG. Yellow flowers May-June.
  Sulfur Flower                L-M  Sun          Groundcover. Feeds birds.
Eriophyllum lanatum            6-9  18" X 18"  NAT. Yellow flowers in May to July
  Oregon Sunshine              Low  Sun          feed bees. Drought tolerant.  PNP
Eriophyllum staechadifolium    8-10 4' X 5'    NAT BEG. Golden-yellow flowers in
  Seaside Woolly Sunflower     Low  Sun-Part     May-August. Salt tolerant.
Erodium reichardii             7-8  5" X 1'    BEG. Tough low creeper with many
  Cranesbill                   Med. Sun-Part     flowers May to October.
Eryngium amethystinum          3-8  18" X 18"  Thistle-like plant. Steel blue or
  Sea holly                    Low  Sun          amethyst flowers July to Sept.
Erysimum capitatum             3-7  18" X 9"   NAT. Clusters of yellow, orange or
  Western Wallflower           L-M  Sun-Part     red flowers May-July. Self seeds.
Erysimum linifolium            6-8  2' X 2'    Yellow to purple flowers all
  Wallflower                   Med. Sun-Part     summer.
Erythronium oregonum           3-9  15" X 5"   NAT. Showy white flowers in spring.
  White Fawn Lily              Med. Part Sun     Dark marks on leaves.         PNP
Erythronium revolutum          5-8  10" X 5"   NAT. Pink flowers with yellow mark-
  Mahogany Fawn Lily           Med. Part Sun     ings in throat. Spring ephemeral.
Eucomis comosa                 7-10 3' X 3'    Large, strap-like leaves with tall
  Purple Pineapple Lily        Med. Sun          bloom resembling a pineapple.
Eupatorium maculatum           3-9  6' X 4'    Narrow leaves with showy chartreuse
  Joe Pye Weed                 M-H  Sun-Part     bracts. Blooms from July to Sept.
Euphorbia characias            6-8  4' X 4'    Green to purple leaves. Chartreuse
  Spurge                       Low  Sun          to burgundy flowers.
Euryops pectinatus             9-11 5' X 3'    Bright yellow daisy-like flowers
  Golden Shrub Daisy           L-M  Sun          March-October. Semi-hardy.
Euthamia occidentalis          6-10 5' X 2'    NAT. Yellow flowerheads July-Oct.
  Western Goldentop            M-H  Sun          Feeds bees, butterflies

F
Farfugium japonicum            7-9  2' X 2'    Thick rounded leaves with yellow
  Leopard Plant                Med. Sun-Part     flowers in summer-fall.
Felicia amelloides             8-11 18" X 18"  Sky-blue, yellow-centered daisies
  Blue Marguerite              Med. Sun          all summer. Fragrant leaves.
Fern, Adiantum pedantum        3-8  18" X 15"  NAT. Fronds fork in finger-like
  Western Maidenhair Fern      High Shade        pattern on black stems.       PNP
Fern, Asplenium scolopendrium  5-9  15" X 15"  NAT BEG. Strap-like fronds with
  Hart's Tongue Fern           Med. Shade-Part   wavy edges.
Fern, Asplenium trichomanes    5-8  6" X 10"   NAT BEG. Rosette of tapering fronds
  Maidenhair Spleenwort        Med. Shade-Part   with black stems.
Fern, Athyrium filix-femina    4-9  30" X 2'   NAT. Double cut leaves arch up and
  Lady Fern                    Med. Shade-Part   out. Dies down in winter.     PNP
Fern, Athyrium nipponicum      4-9  10" X 15"  Green with silver-gray on burgandy
  Japanese Painted Fern        Med. Shade-Part   stems. Dies down in winter.
Fern, Blechnum spicant         5-8  15" X 18"  NAT BEG. Low sterile frond and up-
  Deer Fern                    Med. Shade-Part   right fertile fronds.         PNP
Fern, Cyrtomium falcatum       6-10 2' X 2'    BEG, Tender at 25 degrees. Does
  Holly Fern                   High Shade-Part   well indoors.
Fern, Dicksonia antarctica     9-10 15' X 10'  BEG. 6' arching fronds. Protect
  Tasmanian Tree Fern          High Shade        from frost.
Fern, Dryopteris erythrosora   6-9  2' X 2'    BEG. New fronds are coppery red,
  Autumn Fern                  Low  Shade-Part   mature to green.
Fern, Dryopteris expansa       4-9  2' X 2'    Finely divided upright fronds die
  Spreading Wood Fern          Med. Shade-Part   down in winter.               PNP
Fern, Dryopteris filix-mas     4-8  3' X 3'    Finely divided upright fronds turn
  Male Fern, Shield Fern       Med. Shade-Part   coppery in fall. Die in winter.
Fern, Matteuccia struthiopter. 3-7  5' X 7'    Tall deciduous fronds with shorter
  Ostrich Fern                 High Shade-Part   evergreen fronds.
Fern, Osmunda cinnamomea       3-9  3' X 3'    Long bluish-green and reddish-brown
  Cinnamon Fern                High Shade        fronds emerge in spring.
Fern, Osmunda regalis          3-9  4' X 4'    Large, handsome fronds die down in
  Royal Fern                   High Shade-Part   winter.
Fern, Polypodium glycyrrhiza   4-9  9" X 18"   NAT. Arching dark green fronds in
  Licorice Fern                Med. Shade-Part   fall to spring.               PNP
Fern, Polypodium scouleri      8-10 9" X 18"   NAT BEG. Lush green leaves all year
  Leathery Polypody            Med. Shade-Part   with orange spots underneath.
Fern, Polystichum munitum      3-8  3' X 3'    NAT BEG. Excellent for woodsy area.
  Western Sword Fern           Low  Shade        Low water needs.              PNP
Fern, Polystichum polyblephar. 6-9  2' X 2'    BEG. Fronds unfurl backwards creat-
  Tassel Fern                  High Shade-Part   ing a tassel.
Fern, Polystichum setiferum    6-8  2' X 2'    BEG. Low spreading, finely cut
  Soft Shield Fern/Alaska Fern Med. Shade-Part   cut fronds.
Fern, Woodwardia fimbriata     6-8  6' X 6'    NAT BEG. Largest fern in North 
  Giant Chain Fern             M-H  Shade-Part   America. Lacy fronds.
Filipendula palmata            3-9  3' X 2'    Tiny pink flowers in tall umbels,
  Siberian Meadowsweet         Med. Sun-Shade    June to August. Good cut.
Filipendula rubra              3-9  6' X 3'    Tiny pink flowers in tall umbels,
  Queen of the Prairie         M-H  Sun-Part     June to August feed butterflies.
Fragaria 'Lipstick'            3-9  4" X 24"   BEG. Groundcover. Large, rose colof
  Lipstick Strawberry          Med. Sun          colored flowers in spring.
Fragaria chiloensis            4-9  6" X 12"   NAT BEG. Groundcover. White flowers
  Beach Strawberry             Med. Sun-Part     in spring. Red edible berries. FR
Fragaria vesca                 5-9  6" X 1'    NAT. Semi-evergreen. White flowers
  Woodland Strawberry          Med. Sun-Part     May-July. Edible fruit.        FR
Fragaria virginiana            4-9  6" X 18"   NAT BEG. Groundcover. White flowers
  Scarlet Strawberry           Med. Sun-Part     in spring. Edible red berries.PNP
Freesia species                9-10 15" X 1'   Bulb. Fragrant flowers in many
  Freesia                      Med. Sun          colors in May. Semi-hardy.
Fritillaria meleagris          3-8  12" X 10"  Bulb. Reddish-brown, purple, white
  Checkered Lily               Med. Sun-Part     checkered flowers in April.
Fritillaria species            4-8  2-4' X 1'  Bulb. Unusual flowers of orange,
  Fritillaria                  Med. Sun-Part     yellow or checkered purple/white.

G
Gaillardia aristata            3-8  30" X 18"  NAT. Red, orange and yellow flowers
  Great Blanket Flower         L-M  Sun          May to September.
Gaillardia grandiflora         3-10 2' X 2'    Daisy-like flowers of yellow, red,
  Blanket Flower               L-M  Sun          orange and maroon June-frost.  FR
Galanthus nivalis              3-9  8" X 8"    Bulb. Dainty white bells in Feb. to
  Snowdrop                     Med. Sun-Part     March. Naturalizes under trees.
Galium odoratum                4-10 6" X 12"   Small white flowers on dense mat
  Sweet Woodruff               Med. Shade-Part   of green from May to August.   FR
Gaultheria ovatifolia          3-6  8" X 3'    NAT BEG. Groundcover. Pink flowers
  Western Teaberry             Med. Part Sun     in June-July. Edible berries.
Gaultheria procumbens          3-8  6" X 18"   NAT BEG. Pink bell flowers Jun-Jul.
  Wintergreen                  Med. Sun-Shade    Red edible berries feed birds.
Gaura lindheimeri              5-9  3' X 2'    Pink buds open into white flowers
  Gaura, Beeblossom            L-M  Sun          like white butterflies June-Sept.
Gentiana species               6-9  2' X 2'    Dark blue flowers in July to Sept.
  Gentian                      High Sun          Needs good drainage & acid soil.
Gentiana verna                 4-7  4" X 4"    BEG. Intense blue flowers Apr-June.
  Spring Gentian               Med. Sun          Needs good drainage.
Geranium species               4-9  2' X 2'    Small to large cut leaves. White to
  Cranesbill Geranium          Med. Sun-Part     purple flowers in summer.      FR
Geranium viscosissimum         2-9  2' X 2'    NAT. Purple flowers May to August
  Sticky Purple Geranium       L-M  Sun-Part     feed bees, birds, butterflies. FR
Geum coccinium                 5-8  12" X 12"  Stems of red to copper flowers
  Geum, Grecian Rose           Med. Sun-Part     above divided leaves in summer.
Geum macrophyllum              5-8  18" X 18"  NAT. Yellow flowers in spring.
  Large Leafed Avens           Med. Shade-Part   
Geum triflorum                 3-8  4" X 12"   NAT. Small pink flowers make wispy
  Prairie Smoke                Low  Sun-Part     pink seedheads May-June.       FR
Gladiolus palustris            8-10 4' X 4'    Bulb. Red, pink, orange, yellow,
  Sword Lily, Gladiolus        Med. Sun          purple, white flowers in summer.
Goniolimon incanum             3-9  15" X 15"  Pink, blue, lavender or white flow-
  Sea Lavender                 L-M  Sun          ers June-Aug. Needs good drainage
Goniolimon tataricum           4-10 15" X 15"  Many branched white flowerhead in
  German Statice               Low  Sun          July-August. Excellent dried.
Grass, Acorus gramineus        5-9  12" X 18"  Grass-like leaves resembles tiny
  Sweet Flag                   High Sun-Part     iris. Likes lots of water.
Grass, Alopecurus pr. 'Aureus' 4-8  12" X 12"  BEG. Golden color grass has fluffy
  Gold Medow Foxtail           Med. Sun          flower heads all summer.
Grass, Alopecurus pratensis    4-8  12" X 12"  BEG. Mound of grass. Summer to
  Meadow Foxtail               Med. Sun          fall bloom.
Grass, Ammophilla breviligulat 3-8  2' X 2'    NAT. Stabilizes sand dunes with    
  American Beach Grass         L-M  Sun          extensive root system.           
Grass, Arrhenath. elatius bul. 4-9  12" X 18"  Narrow leaves boldly edged with
  Bulbous Oat Grass            Med. Sun-Part     white.
Grass, Bouteloua curtipendula  4-9  24" X 18"  NAT. Clumping grass with oat-like
  Side-Oats Grass              Low  Sun          purplish to tan seeds for birds.
Grass, Bouteloua gracilis      3-10 18" X 18"  Clump forming. Bluish-gray blades.
  Blue Gramma                  L-M  Sun          Purplish flowers June-July.
Grass, Calamagrostis acutiflo. 5-9  4' X 3'    Tall grass with feathery tops.
  Feather Grass                Med. Sun          Golden yellow in the fall.
Grass, Calamagrostis canadens. 5-9  4' X 3'    NAT. Blue-green stems. Purplish to
  Bluejoint Grass              Med. Sun          tan plumes in summer to fall.
Grass, Calamagrostis nutkaens. 7-11 4' X 3'    NAT. Clump forming, Purplish to tan
  Pacific Reedgrass            Med. Sun-Part     plumes in summer and fall.
Grass, Carex barbarae          8-10 30" X 30"  NAT. Wetland grass. Used by Native
  Santa Barbara Sedge          High Sun          Americans to weave baskets.    FR
Grass, Carex buchananii        6-9  2' X 3'    Grass-like clumps of reddish bronze
  Leatherleaf Sedge            M-H  Sun-Part     with curly tips. Moist soil.   FR
Grass, Carex comosa            4-8  30" X 24"  NAT. Wetland grass. Large lime-
  Bristly Sedge                High Sun          green bottlebrush shaped spikes.
Grass, Carex mor. 'Ice Dancer' 5-9  10" X 18"  BEG. Grass-like mound of dark green
  Ice Dancer Japanese Sedge    High Sun-Part     leaves with white edges.       FR
Grass, Carex morrowii          5-8  15" X 18"  Drooping leaves striped with white.
  Japanese Sedge               High Sun-Part     Prefers moist soil.            FR
Grass, Carex obnupta           6-9  2' X 2'    NAT. Grass-like. Spreads easily.
  Slough Sedge                 M-H  Sun-Part     Great for erosion control. PNP FR
Grass, Carex oshim. 'Evergold' 6-9  8" X 15"   BEG. Grass-like mound with creamy
  Evergold Sedge               High Sun-Part     center stripe.                 FR
Grass, Carex testacea          6-8  16" X 12"  Fine blades turn almost orange in
  Orange New Zealand Sedge     High Sun          sun, olive green in shade.     FR
Grass, Carex tumulicola        8-10 18" X 24"  NAT BEG. Grass. Tuft of narrow
  Berkeley Sedge               Med. Sun-Part     green leaves. Feeds birds. PNP FR
Grass, Celtica gigantea        5-8  6' X 3'    Clumps of 3' leaves with 6' tall
  Giant Needle Grass           Low  Sun          and wide yellowish seed heads.
Grass, Chasmanthium latifoliu  5-9  3' X 18"   Jade green bamboo-like grass. Oat-
  Northern Sea Oats            Med. Sun-Part     like seeds droop from stems.
Grass, Cortaderia sel. 'Pumila 6-10 5' X 4'    Large clump of grass with white or
  Ivory Feathers Pampas Grass  Med. Sun          pink plumes in fall.
Grass, Deschampsia caespitosa  4-8  18" X 12"  NAT. Dark green clump of grass.
  Tufted Hair Grass            High Sun-Part     Seed stalks produce plantlets.PPL
Grass, Eleocharis macrostachya 5-10 2' X 2'    NAT. Wetland plant. Erect stems and
  Pale Spikerush               M-H  Sun          purple spikelets in May-June.
Grass, Elymus canadensis       3-8  4' X 3'    NAT. Bluish-green leaves and green-
  Canada Wild Rye              Low  Sun          ish flower spikes. Tan in fall.
Grass, Elymus glaucus          4-8  2' X 2'    NAT. Dense clumps of blue grass.
  Blue Wild Rye                Low  Sun-Part     Feeds bees, butterflies.      PNP
Grass, Festuca glauca          4-8  10" X 10"  BEG. Low clumps of fine blue grass.
  Blue Fescue Grass            Low  Sun-Part     Needs good drainage.
Grass, Festuca idahoensis      4-9  18" X 12"  NAT BEG. Clumps of blue grass with
  Blue Western Bunchgrass      L-M  Sun          tawny seeds. Drought tolerant.
Grass, Festuca occidentalis    6-10 20" X 12"  NAT BEG. Fine textured clumps.
  Western Fescue               Low  Part Shade   Drought tolerant. Feeds butterfly
Grass, Festuca roemeri         2-7  3' X 2'    NAT BEG. Fine textured blue-green
  Roemer's Fescue              Low  Sun-Part     clumps. Drought tolerant.     PNP
Grass, Festuca rubra           2-7  18" X 18"  NAT BEG. Most shade tolerant lawn
  Red Fescue                   L-M  Sun-Part     grass. Good for pastures.
Grass, Festuca subulata        6-9  15" X 15"  NAT BEG. Fine textured clumps. Red
  Bearded Fescue               Low  Sun          seed heads.                   PNP
Grass, Hakonechloa macra       4-8  18" X 18"  Graceful slender leaves, some with
  Japanese Forest Grass        High Shade-Part   white or gold stripes.
Grass, Helictotrichon semperv. 4-8  2' X 2'    BEG. Round clump of steel blue
  Blue Oat Grass               Med. Sun          leaves. Feeds butterflies.
Grass, Imperata cylind. 'Rubra 5-9  18" X 18"  Top half of stems are blood red.
  Japanese Blood Grass         Med. Sun-Part     Purplish in winter.
Grass, Isolepis cernua         8-10 8" X 8"    Drooping green threadlike leaves
  Fiber Optic Grass            High Part Shade   with brown tip. Good in pots.
Grass, Juncus effusus          4-9  3' X 3'    NAT BEG. Tolerates wet soil.
  Soft Rush                    High Sun-Part     J. e. Spiralis is twisted.
Grass, Juncus ensifolius       3-10 18" X 18"  NAT BEG. Brownish purple flowers in
  Dagger Leaf Rush             High Sun-Part     June to August.
Grass, Juncus patens           4-9  18" X 18"  NAT BEG. Gray-green or gray-blue.
  California Gray Rush         M-H  Sun-Part     Prune dead leaves in late winter.
Grass, Miscanthus sinensis     5-9  5' X 4'    Tall, graceful grass. Tan or brown
  Japanese Maiden Grass        Med. Sun-Shade    in winter.
Grass, Molinea caerulea        5-9  5' X 4'    Dark green grass. Turns yellow in
  Moor Grass                   Med. Sun          fall.
Grass, Muhlenbergia montana    5-7  12" X 8"   NAT. Bunchgrass. Short flower stems
  Mountain muhly               Low  Sun          above short green grass.
Grass, Nasella tenuissima      7-10 18" X 18"  Soft, fine, bright green foliage.
  Mexican Feather Grass        L-M  Sun          Spreads by seed.
Grass, Panicum virgatum        4-9  4' X 3'    Blue to red blades in summer. Airy
  Switch Grass                 Med. Sun-Part     seed heads in fall.
Grass, Pennisetum alopecuroid. 5-9  3' X 3'    Dense, rounded clump topped with
  Fountain Grass               Low  Sun-Part     purple flower stalks. Likes dry.
Grass, Schizachyrium scoparium 3-9  3' X 2'    Blue grass turns purple-red in fall
  Little Bluestem              L-M  Sun          Seed heads turn silver.
Grass, Scirpus microcarpus     6-10 5' X 3'    NAT. Yellowish green grass-like
  Small Fruited Bulrush        High Sun          blades. Feeds geese, swans.   PNP
Grindelia integrifolia         6-10 2' X 2'    NAT. Large yellow daisy-like flow-
  Puget Sound Gumweed          Med. Sun          ers June to September.
Gunnera manicata               7-10 8' X 8'    Huge leaves with prominent veins.
  Dinosaur Plant               High Sun-Part     Tiny red fruit. Needs rich soil.
Gypsophila paniculata          3-9  3' X 3'    Tiny pink flowers on branched stems
  Baby's Breath                L-M  Sun          July to October. Good cut.

H
Hedychium coccinea             8-10 6' X 3'    Fragrant orange-red flowers in late
  Ginger Lily                  Med. Sun-Part     summer, early fall.
Helenium autumnale             3-8  4' X 3'    NAT. Daisy-like flowers of yellow-
  Sneezeweed                   M-H  Sun          copper June-Sept feed butterflies
Helenium hoopesii              4-8  30" X 18"  NAT. Drought tolerant. Yellow-
  Orange Sneezeweed            Med. Sun          orange flowers in summer.
Helianthemum nummularium       6-8  10" X 30"  Red, orange, yellow, pink, peach &
  Sunrose                      L-M  Sun          white flowers in June-August.  FR
Helianthus angustifolius       5-10 6' X 3'    Tall stalk with yellow flowers from
  Swamp Sunflower              M-H  Sun-Part     August to frost. Good cut.
Helianthus cusickii            7-10 30" X 15"  NAT. Yellow flowers April to
  Cusick's Sunflower           Low  Sun          August. Feeds bees, butterflies.
Helianthus nuttallii           5-9  6' X 2'    NAT. Many golden yellow flowers in
  Nuttall's Sunflower          M-H  Sun          fall to frost feed butterflies.
Helianthus occidentalis        3-9  3' X 18"   Many star-like yellow flowers in
  Western Sunflower            Low  Sun          July to fall feed butterflies.
Heliopsis helianthoides        3-9  5' X 3'    Large yellow flowers in summer.
  Oxeye                        L-M  Sun          Needs well drained soil.
Helleborus argutifolius        6-9  2' X 2'    BEG. Pointed leaves. Pale green
  Corsican Hellebore           L-M  Sun-Part     flowers Feb-April.
Helleborus foetidus            5-9  18" X 18"  BEG. Lacy light green leaves. Pale
  Bear's Foot Hellebore        Med. Shade-Part   green flowers Jan-April.
Helleborus niger               3-8  12" X 18"  Leathery dark green leaves. White
  Christmas Rose               Med. Part Shade   flowers turn purplish. Dec-April.
Helleborus orientalis          3-9  18" X 30"  Leathery dark green leaves. White,
  Lenten Rose                  Med. Shade-Part   pink, red, yellow, green flowers.
Hemerocallis 'Stella de Oro'   3-9  12" X 12"  Fragrant yellow flowers in May to
  Stella de Oro Daylily        Med. Sun-Part     October feed hummingbirds.
Hemerocallis hybrids           3-9  3' X 2'    White, bronze, orange, yellow or
  Daylily                      Med. Sun-Part     red flowers May to October.    FR
Heracleum maximum              4-10 6' X 6'    NAT. Huge clusters of white flowers
  Cow Parsnip                  Med. Sun-Part     in spring attract bees.       PNP
Herniaria glabra               5-9  2" X 1'    Tiny green leaves turn bronzy in
  Green Carpet                 Med. Sun-Shade    winter. Good groundcover.
Hesperaloe parviflora          5-10 4' X 5'    BEG. Stalks of red-pink flowers in
  Red Yucca                    Low  Sun          summer. Feeds hummingbirds.    FR
Hesperis matronalis            3-8  3' X 2'    Old fashioned plant. Fragrant lav-
  Dame's Rocket                Med. Sun-Part     ender or pink flowers May-June.
Heuchera micrantha             4-9  18" X 18"  NAT BEG. Reddish leaves. White flo-
  Alumroot                     Med. Sun-Shade    wers May-July feed butterfly. PNP
Heuchera sanguinea             3-8  15" X 18"  BEG. Tall stalks of dainty coral
  Coral Bells                  Med. Sun-Part     flowers in April-August.       FR
Heucherella tiarelloides       4-8  12" X 2'   Hybrids between Heuchera and Tia-
  Foam Flower                  Med. Part shade   rella. Colorful foliage.
Hibiscus moscheutos            5-9  5' X 3'    8" red, pink, rose or white flowers
  Rose Mallow                  Med. Sun          from June until frost.
Hosta species                  3-9  1-2' X 18" Colorful leaves. Stalks of lavender
  Hosta                        Med. Shade        flowers. Bait for slugs.       FR
Hyacinthoides hispanica        3-8  18" X 3"   Bulb. Spikes of blue, white or pink
  Spanish Bluebell             Med. Sun-Part     flowers in May. Easy to grow.
Hyacinthoides non-scripta      4-10 18" X 6"   Bulb. Spikes of blue, white or pink
  English Bluebell, Wood Hyac. Med. Shade-Part   flowers in May feed butterflies.
Hyacinthus orientalis          3-9  8" X 6"    Bulb. Very fragrant spikes of blue,
  Hyacinth                     Low  Sun-Shade    white, pink or purple April-May.
Hylotelephium spectabile       4-8  18" X 18"  Succulent leaves with large pink,
  Fall Sedum                   Low  Sun-Part     red or orange flowers in fall. FR
Hypericum calycinum            7-9  12" X 2'   BEG. Large yellow flowers in
  St. Johns Wort               Med. Sun-Shade    summer.

I
Iberis sempervirens            4-8  8" X 18"   BEG. White flowers in April. Low
  Candytuft                    Low  Sun          mound of small leaves.         FR
Incarvillea delavayi           4-8  2' X 1'    Clusters of 3" long purple trumpets
  Hardy Gloxinia               Med. Sun-Part     in May-July.
Ipomopsis aggregata            6-9  30" X 12"  NAT. Clusters of red, pink or white
  Skyrocket                    Low  Sun-Part     flowers all summer feed hummers.
Iris "Dutch Hybrid"            5-8  8" X 5"    Bulb. Slender stalks topped by iris
  Dutch Iris                   Med. Sun-Part     flower in many colors in April.
Iris douglasiana               7-9  18" X 3'   NAT BEG. Spring flowers are usually
  Douglas Iris                 Low  Sun-Part     blue but can be yellow to purple.
Iris ensata                    3-9  3' X 2'    Large white, lavender, purple or
  Japanese Iris                High Sun-Part     blue flowers in May. Wet-dry.  FR
Iris missouriensis             3-9  15" X 12"  NAT. Blue with purple and yellow
  Rocky Mountain Iris          Low  Sun-Part     flowers May-June.
Iris pallida                   4-9  3' X 2'    Fragrant lavender flowers in
  Sweet Iris                   Med. Sun-Part     spring.
Iris sibirica                  3-9  3' X 2'    White, yellow, lavender, purple or
  Siberian Iris                High Sun-Part     blue flowers in May. Wet-dry.  FR
Iris tenax                     5-9  12" X 18"  NAT BEG. Purple flowers with yellow
  Oregon iris                  L-M  Sun-Part     or white April-June.       PNP FR
Iris x germanica               3-9  3' X 2'    Many sizes and colors of flowers in
  Bearded Iris                 Med. Sun          May and June.                  FR
Isotoma fluviatilis            5-8  2" X 16"   BEG. Blue star-like flowers In May
  Blue Star Creeper            Med. Sun-Part     to August. Spreads.

K
Kirengeshoma palmata           5-8  4' X 3'    Palmate leaves with yellow flowers
  Yellow Waxbells              Med. Shade-Part   in August.
Kniphofia uvaria               4-9  3' X 2'    Spikes of orange-red flowers July
  Red Hot Poker                Low  Sun          to Aug. Attracts hummingbirds. FR

L
Lamium maculatum               3-8  6" X 2'    Silver leaves. Pink or white
  Deadnettle                   Med. Shade-Part   flowers in May-July.           FR
Leontipodium alpinum           3-8  6" X 8"    White woolly leaves. Flowers and
  Edelweis                     Med. Sun-Part     floral leaves in May to July.
Leptinella squalida            4-8  2" X 1'    BEG. Gray to black fern like
  Brass Buttons                Med. Sun-Shade    leaves. Tolerates foot traffic.
Lessingia filaginifolia        8-10 6" X 3'    NAT BEG. Lavender flowers with yel-
  California Aster             Low  Sun-Part     low centers July-October.
Leucanthemum x superbum        4-8  2-4' X 2'  BEG. Large white single or double
  Shasta Daisy                 Med. Sun-Part     flowers May to October.        FR
Leucojum aestivum              3-9  18" X 3"   Bulb. Clusters of white bells in
  Summer Snowflake             Med. Sun-Part     April with faint chocolate scent.
Leucojum vernum                3-9  8" X 3"    Bulb. Clusters of white bells in
  Spring Snowflake             Med. Sun-Part     March. Naturalizes under trees.
Lewisia cotyledon              3-8  10" X 8"   NAT BEG. Pink to orange flowers May
  Siskiyou Lewisia             Low  Sun-Part     to August above rosette leaves.FR
Liatris spicata                4-9  4' X 2'    Narrow plume of fluffy rose-purple
  Spike Gayfeather             Low  Sun          flowers July-Sept. Good cut.   FR
Libertia peregrinans           8-10 18" x 18"  Narrow leaves are bright orange on
  New Zealand Iris             Med. Sun-Part     the edges. White flowers spring.
Ligularia dentata              4-8  3' X 30"   Large heart-shaped red leaves with
  Golden Ray                   Med. Shade-Part   yellow flowers July to August.
Ligustichum apifolium          7-8  3' X 3'    NAT. Drought tolerant. White flow-
  Parsley-leaf Lovage          Low  Sun          ers in June.                  PNP
Lilium asiatic hybrid          4-9  2-5' X 18" Red, pink, orange, yellow or white
  Asian Lily                   Med. Sun-Part     flowers in May-June.           FR
Lilium columbianum             5-9  3' X 18"   NAT. Yellow to orange flowers with
  Columbia Lily                Med. Sun-Part     reddish spots June-Sept.
Lilium longiflorum 'White Amer 5-8  3' X 18"   Fragrant long white trumpet flowers
  Easter Lily                  Med. Sun-Part     in June-July feed hummingbirds.
Lilium orientalis hybrid       4-9  3' X 18"   Many colors of very fragrant flow-
  Oriental Hybrid Lily         Med. Sun          ers in late summer. Good cut.  FR
Lilium pardalinum              5-8  6' X 6'    NAT. Orange-red Turk's cap flowers
  Leopard Lily                 Med. Sun-Part     with brown spots May-July.
Limonium californicum          8-10 18" X 18"  NAT BEG. Clusters of tiny lavender-
  Western Sea Lavender         M-H  Sun          white petals June-Sept feed bees.
Linaria purpurea               5-9  30" X 10"  Purple snapdragon-like flowers all
  Toadflax                     L-M  Sun          summer and fall.
Linnaea borealis               3-8  6" X 2'    NAT BEG. Pairs of fragrant pink
  Twinflower                   Med. Sun-Part     flowers in May.
Linum lewisii                  3-9  2' X 2'    NAT. Delicate blue flowers on slen-
  Blue Flax                    Med. Sun          der stems May to July.         FR
Linum perenne                  5-8  18" X 12"  Profuse light blue flowers May to
  Perennial Blue Flax          Low  Sun          September. Fern-like leaves.   FR
Liriope muscari                5-10 18" X 18"  Clumps of grass-like leaves with
  Lily Turf                    Med. Sun-Shade    spikes of blue flowers July-Oct.
Liriope spicata                1-12 12" X 18"  BEG. Grass-like leaves. White to
  Creeping Liy Turf            Med. Sun-Part     lavender flowers. Spreads.
Lithodora diffusa              5-8  10" X 30"  BEG. Brilliant blue flowers May to
  Lithospermum                 Med. Sun-Part     July feed butterflies.
Lobelia cardinalis             2-9  3' X 1'    Flame red flowers in June-August.
  Cardinal Flower              M-H  Sun-Part     Feeds hummingbirds & butterflies.
Lupinus bicolor                8-9  12" X 12"  NAT. Blue and white flowers Apr-Jun
  Miniature Lupine             Low  Sun          feed butterflies.
Lupinus polyphyllus            3-9  4' X 2'    NAT. Blue to purple flowers in May.
  Large Leaf Lupine            L-M  Sun          Short lived but reseeds.      PNP
Lupinus rivularis              6-9  4' X 2'    NAT. Purple-blue to white flowers
  Stream-bank Lupine           Med. Sun-Part     April-June feed butterflies.  PNP
Lupinus species                4-8  3' X 15"   NAT. L. formosus, L. latifolius,
  Native Lupines               Med. Sun          L. poluphylls. Blue flowers.   FR
Lupinus x hybrida              4-8  3' X 15"   White, red, pink, yellow, blue,
  Hybrid Lupines               Med. Sun          purple or bicolor flowers.     FR
Luzula sylvatica               4-8  12" X 15"  BEG. Grass-like mounds. Good
  Greater Wood Rush            Low  Shade-Part   groundcover.
Lychnis coronaria              6-8  18" X 18"  BEG. Magenta-crimson flwrs May-July
  Rose Campion                 Low  Sun-Part     feed hummers. Gray white leaves.
Lysichitum armericanus         6-8  2' X 1'    NAT, Yellowish flower in May. Needs
  Skunk Cabbage                High Sun-Part     wet soil.
Lysimachia nummularia          4-8  6" X 3'    BEG. Yellow flowers in summer.
  Creeping Jenny               High Shade-Part   Good groundcover.

M
Maianthemum dilatatum          3-8  8" X 8"    NAT. Tiny white flowers in May-July
  False Lily-of-the-Valley     Med. Shade-Part   attract birds and butterflies.
Maianthemum racemosum          3-8  2' X 2'    NAT. White flowers in Apr. to May.
  False Spikenard              Med. Part Sun     Red berries in late summer.
Maianthemum stellatum          3-9  18" X 18"  NAT. White flowers in May to June.
  Starry False Solomon's Seal  L-M  Shade-Part   Red & white speckled fruit.   PNP
Marrubium rotundifolium        4-9  10" X 18"  BEG. Groundcover. Soft fuzzy
  Silver Edged Horehound       L-M  Sun          leaves. White flowers in June. FR
Mazus reptans                  5-8  2" X 18"   BEG. Groundcover. Blue flowers May-
  Mazus                        Med. Sun-Part     July. Moist well drained soil.
Meconopsis baileyi             5-7  3' X 18"   Sky blue poppies on a tall leafy
  Himalayan Blue Poppy         Med. Shade-Part   stem in June to July.
Mentha pulegium                6-9  10" X 6"   Creeping groundcover. Lilac flowers
  Pennyroyal                   M-H  Sun-Part     in summer feeds bees. Repel fleas
Mentha requienii               6-9  1" X 12"   BEG. Very low. Very fragrant when
  Corsican Mint                Med. Shade-Part   bruised or crushed. Feeds bees.
Mertensia virginica            3-8  20" X 15"  NAT. Pink turning to blue petticoat
  Virginia Bluebells           Med. Shade-Part   flowers in April and May.
Micranthes oregana             5-9  24" X 12"  NAT. Clusters of white flowers in
  Oregon Saxifrage             M-H  Sun-Part     March-August feed bees.       PNP
Mimulus cardinalis             7-10 2' X 2'    NAT BEG. Scarlet flowers spring to
  Scarlet Monkey Flower        High Part Shade   fall feed butterflies, hummers.
Mimulus lewisii                5-8  2' X 2'    NAT. Fuchsia to pinkish purple
  Purple Monkey Flower         High Sun-Part     flowers June to September.
Mimulus ringens                4-9  2' X 1'    NAT. Blue-violet flowers June to
  Allegheny Monkey Flower      M-H  Sun-Part     September feed bees, butterflies.
Monarda didyma                 4-9  3' X 30"   NAT. White, scarlet, or purple flo-
  Bee balm, Bergamot           Med. Sun-Part     wers June-August attract hummers.
Monarda fistulosa              3-9  3' X 30"   NAT. Fragrant lilac-purple flowers
  Wild Bergamot                L-M  Sun-Part     July-Sept feed hummingbirds.
Monardella odoratissima        3-8  10" X 18"  NAT. Very fragrant gray leaves.
  Mountain Mondardella         Low  Sun-Part     Pink flowers in summer.
Monardella villosa             7-10 18" X 30"  NAT BEG. Grayish green leaves. Pink
  Coyote Mint                  Low  Sun-Part     or lavender flowers May-August.
Muehlenbeckia axillaris        8-10 5" X 15"   BEG. Groundcover. Translucent white
  Creeping Wire Vine           Med. Sun-Part     fruit with black seeds.
Muscari armeniacum             4-8  6" X 6"    Bulb. Bright blue flowers on 6"
  Grape Hyacinth               Low  Sun-Part     spikes in March-April feed bees.
Myosotis sylvatica             3-8  8" X 8"    Blue, pink or white flowers May to
  Forget-Me-Not                Med. Sun-Shade    September. Spreads easily.

N
Narcissus hybrids              3-8  2' X 1'    Bulb. Yellow, orange, pink or white
  Daffodils                    Low  Sun-Part     flowers in March to April. Easy.
Narcissus species              4-8  12" X 12"  Bulb. Yellow, orange or white flow-
  Daffodils                    Low  Sun-Part     ers in March to April. Easy.
Narcissus tazetta              8-9  15" X 1'   Fragrant yellow or white flowers in
  Paperwhites                  Low  Sun-Part     March to April. Easy.
Nepeta racemosa                4-8  10" X 15"  Lavender blue flowers April-Sept.
  Persian Catmint              Low  Sun-Part     Walker's Low is seedless.
Nepeta x faassenii             3-8  3' X 2'    Violet blue flowers above blue-gray
  Catmint                      L-M  Sun-Part     leaves July-Sept feed hummers.
Nerine bowdenii                8-10 18" X 6"   Bulb. Large pink flowers August to
  Guernsey Lily                Med. Sun-Part     September.
Nuphar polysepala              4-11 12" X 24"  NAT. Yellow flowers in summer.
  Yellow Water Lily            High Sun          Grows in 3' to 5' water.      PNP
Nymphaea odorata               4-11 6" X 3'    NAT. Pond plant. Fragrant creamy
  Fragrant Water Lily          High Sun-Part     flowers all summer.

O
Oenothera macrocarpa           3-7  10" X 18"  Large, light yellow flowers May to
  Missouri Primrose            L-M  Sun          September. Good groundcover.   FR
Ophiopogon japonicus           7-10 12" X 18"  BEG. Dark green tufts like grass.
  Mondo Grass                  L-M  Sun-Shade    Lilac flowers in summer.
Ophiopogon planiscapus 'Nigres 6-11 8" X 10"   BEG. Glossy black leaves. Lilac
  Black Mondo Grass            L-M  Sun-Part     flowers in late summer.
Opuntia species                4-9  3' X 3'    Succulent with spines. Red, yellow,
  Prickly Pear                 Low  Sun-Part     purple, pink or white flowers. FR
Oxalis oregana                 7-9  8" X 30"   NAT. Groundcover for shade. White
  Wood sorrel                  Med. Shade-Part   to pink flowers April-June.   PNP
Oxalis triangularis            8-11 8" X 15"   Three large purple leaflets. White
  Burgandy Shamrock            Med. Shade-Part   summer flowers feed butterflies.

P
Pachysandra terminalis         5-9  8" X 12"   BEG. White flower spikes. Dark
  Japanese Spurge              M-H  Shade-Part   green leaves. Groundcover.     FR
Paeonia lactiflora             3-8  2' X 2'    Ever popular plant in many colors
  Bush Peony                   L-M  Sun-Part     in May. Good cut flowers.
Papaver nudicaule              2-9  15" X 15"  3-4" flowers in many colors from
  Iceland Poppy                L-M  Sun          April to July feed butterflies.
Papaver orientale              3-9  30" X 18"  Large hairy leaves. 3-6" red, pink,
  Oriental Poppy               L-M  Sun-Part     salmon flowers May-June.       FR
Parahebe perfoliata            7-10 2' X 2'    BEG. Bluish-gray foliage. Blue-
  Digger's Speedwell           Med. Sun-Part     violet flowers May-August.
Penstemon richardsonii         5-10 6" X 12"   NAT. Pink and purple flowers in
  Richardsons Penstemon        Low  Sun          summer. Attracts hummingbirds.PNP
Penstemon serrulatus           3-9  18" X 12"  NAT. Purple flowers in summer feed
  Cascade Penstemon            M-H  Sun-Part     bees, hummingbirds. Good cut. PNP
Penstemon species              3-8  2' X 2'    Soft pink to deep purple flowers
  Penstemon, Beard Tongue      Low  Sun-Part     June-Sep. Feeds hummingbirds.  FR
Perovskia atriplicifolia       4-9  4' X 3'    Gray-green leaves. Violet blue
  Russian Sage                 L-M  Sun          flower spikes July to Sept.
Persicaria virginiana          4-8  30" X 3'   Mound of green leaves. Tiny white
  Virginia Knotweed            Med. Sun-Part     flowers July to August.
Petasites frigidus             6-10 15" X 15"  NAT. White flowers in spring.
  Sweet Goltsfoot              High Shade-Part   Large round leaves.           PNP
Phlomis fruticosa              8-10 4' X 4'    Silver-gray leaves. Yellow flowers
  Jerusalem Sage               L-M  Sun          attract bees and butterflies.
Phlox diffusa                  4-8  4" X 18"   NAT BEG. Pink flowers in spring.
  Spreading Phlox              L-M  Sun          
Phlox paniculata               4-9  3' X 2'    Many colors available, some with a
  Summer Phlox                 Med. Sun          contrasting eye in summer.     FR
Phlox pilosa                   4-9  18" X 18"  Pink to lavender flowers May-July
  Prairie Phlox                L-M  Sun          feed butterflies, hummingbirds.
Phlox subulata                 3-9  4" X 12"   BEG. Dense mat of color in May-
  Creeping Phlox               L-M  Sun          June. Needs good drainage.
Phormium tenax                 9-11 2-5' X 8'  BEG. Clumps of straplike leaves.
  New Zealand Flax             Any  Sun-Part     Red flowers. Borderline hardy.
Phygelius capensis             7-10 3' X 3'    Red, coral, pink or yellow tubular
  Cape Fuchsia                 L-M  Sun-Shade    flowers all summer feed hummers.
Physalis alkekengi             3-9  18" X 18"  Orange papery calyx around fruit in
  Chinese Lantern              Med. Sun          summer. Good cut flower.
Physostegia virginiana         4-8  3' X 2'    Tall spikes of pink or white flow-
  Obedient Plant               Med. Sun-Part     ers in late summer.
Platycodon grandiflorus        3-9  3' X 2'    Balloon-like buds open to blue pink
  Balloon Flower               Med. Sun-Part     or white flowers June to August.
Plumbago auriculata            8-11 5' X 8'    Semi-evergreen. White to blue
  Cape Plumbago                Low  Sun          flowers April until frost.
Polemonium caeruleum           4-9  18" X 18"  Clusters of sky blue flowers above
  Jacob's Ladder               M-H  Sun-Part     ladder-like leaves June-August.FR
Polygonatum biflorum           3-8  30" X 2'   Pairs of greenish white flowers on
  Solomon's Seal               Med. Shade-Part   arching stems. Black berries.  FR
Potentilla anserina            4-7  9" X 2'    NAT. Rosettes of lacy leaves. Yel-
  Pacific Silverweed           Med. Sun          low flowers in summer. Edible.
Potentilla neumanniana         5-8  4" X 1'    Yellow flowers in summer. Good
  Dwarf Potentilla             Med. Sun          groundcover.
Primula elatior                4-8  12" X 12"  Semi-evergreen. Fragrant yellow
  Oxlip                        Med. Sun-Part     flowers Apr-Jun feed butterflies.
Primula veris                  5-9  8" X 10"   Semi-evergreen. Fragrant yellow
  Cowslip                      Med. Sun-Part     flowers Apr-May feed butterflies.
Primula vulgaris               4-8  6" X 8"    Semi-evergreen. Fragrant yellow
  Primrose                     Med. Part Shade   flowers Mar-May feed butterflies.
Primula x elatior 'Pacific Hyb 3-8  6" X 10"   Semi-evergreen. Many colors of fra-
  Pacific Hybrid Primrose      Med. Sun-Part     grant flowers March to July.
Prosartes hookeri              3-8  18" X 18"  NAT. Nodding white flowers for bees
  Hooker's Fairybells          Med. Shade-Part   in spring. Red berries for birds.
Prunella vulgaris              4-9  18" X 8"   NAT. Pink, purple or white flowers
  Selfheal                     L-H  Sun-Part     May-Sept feed bees, butterflies.
Pulmonaria species             4-8  12" X 18"  Dark green leaves with white spots.
  Lungwort                     Med. Shade-Part   Deep blue flowers in June & July.
Pulsatilla patens              3-7  10" X 8"   Finely cut leaves with purple flow-
  Pasque flower                L-M  Sun          ers in early spring feed bees. FR

R
Ranunculus asiaticus           8-11 15" X 15"  Large yellow, orange, red, pink or
  Persian Buttercup            Med. Sun          white flowers in April to June.
Ranunculus californicus        6-10 18" X 6"   NAT. Yellow flowers March to May
  California Buttercup         Med. Sun-Part     feed bees and butterflies.
Ranunculus gramineus           6-9  18" X 4"   Bright yellow flowers April-June.
  Grass-Leaved Buttercup       Med. Sun-Part     Grass-like leaves.
Raoulia australis              8-9  3" X 1'    BEG groundcover. Tiny gray leaves.
  Raoulia                      Med. Sun          Needs perfect drainage.
Ratibida columnifera           4-9  24" X 18"  Red or yellow flowers in May to
  Mexican Hat Plant            Low  Sun          October feed butterflies.      FR
Ratibida pinnata               1-8  4' X 2'    Yellow ray flowers with brown cen-
  Prairie Coneflower           Med. Sun-Part     ters June-Aug feed butterflies.
Rheum palmatum                 5-9  8' X 5'    Green, bronze & dark red leaves.
  Ornamental Rhubarb           M-H  Sun-Part     Red flower stalks in May-June.
Rhodohypoxis baurii            7-9  4" X 4"    Mass of rose red flowers in spring
  Rhodohypoxis                 Med. Sun          and summer. Good rock garden.
Rodgersia aesculifolia         5-8  5' X 3'    Creamy white flowers late spring to
  Rodger's Flower              High Shade-Part   early summer. Huge fingered leaf.
Romneya coulteri               5-9  6' X 6'    Large fragrant white flowers May
  Matilija Poppy               Low  Sun          to July. Good cut flowers.
Rubus rolfei                   6-9  10" X 4'   BEG. Groundcover. Small white
  Creeping Raspberry           Low  Sun-Part     flowers. Edible orange fruit.
Rudbeckia hirta                3-9  24" X 18"  NAT. Yellow flowers with brown
  Black Eyed Susan             L-M  Sun          center from June to October.   FR
Rudbeckia occidentalis         3-10 4' X 2'    NAT. Purplish-brown cones with yel-
  Western Coneflower           Med. Sun          low pollen in summer feed bees.
Rudbeckia x Echinacea 'Summeri 6-10 20" X 20"  Large yellow/orange flowers in June
  Summerina Echibeckia         Med. Sun-Part     to September feed butterflies.

S
Sagina sublata                 4-8  2" X 12"   BEG. Dense mat of dark green with
  Irish Moss                   L-M  Sun-Part     small white flowers in spring.
Sagina sublata 'Aurea'         4-8  2" X 1'    BEG. Dense mat of light green with
  Scotch Moss                  L-M  Sun-Part     small white flowers in spring.
Sagittaria latifolia           4-11 3' X 2'    NAT. White flowers in late summer.
  Wapato                       High Sun          Produces edible tuber.        PNP
Salvia species                 4-9  1-3' X 2'  Narrow gray-green leaves. Fragrant
  Garden Sage                  Low  Sun-Part     blue or pink flowrs June-Aug.  FR
Sanguisorba officenalis        3-8  30" X 30"  NAT. Red bottle brush flowers in
  Alaskan Burnet               Med. Sun-Part     July-September. Reseeds heavily.
Santolina chamaecyparissus     7-10 18" X 2'   Silvery-gray, finely divided leaves
  Lavender Cotton              Low  Sun          are fragrant when crushed.
Saponaria ocymoides            3-7  5" X 18"   Dark, oval leaves with pink flowers
  Rock Soapwort                Low  Sun-Part     in May-June. Good groundcover. FR
Sarracenia purpurea            3-9  12" X 18"  BEG. Carnivorous. Semi-erect red
  Purple Pitcher Plant         M-H  Sun-Part     veined pitchers. Red flowers.
Saxifraga oppositifolia        2-7  18" X 6"   BEG. Magenta or purple flowers in
  Purple Mountain Rockfoil     Med. Part Sun     spring. Groundcover.
Saxifraga stolonifera          6-9  18" X 18"  BEG. Pink flowers in May-June. Sil-
  Strawberry Saxifrage         Med. Shade-Part   ver veined leaves red underneath.
Scabiosa columbaria            4-10 2' X 2'    Blue, pink or white flowers June to
  Pincushion Flower            L-M  Sun          frost feed butterflies. Good cut.
Scaevola aemula                9-11 6" X 3'    BEG. Lavender blue flowers almost
  Fan Flowers                  Med. Sun          all year. Good groundcover
Schizostylis coccinea          7-9  2' X 2'    Cup-shaped red to pink flowers over
  Kaffir Lily                  Med. Sun-Part     iris-like leaves in fall.
Scutellaria incana             5-8  30" X 12"  Lavendar-blue flowers July-Septem-
  Downy Skullcap               Low  Sun-Part     ber. Feeds pollinators.        FR
Sedum lanceolatum              5-8  6" X 6"    NAT. Yellow flowers in May-June
  Spearleaf Stonecrop          Low  Sun          feed bees butterflies hummingbird
Sedum oreganum                 5-9  4" X 18"   NAT BEG. Groundcover. Yellow flow-
  Oregon Stonecrop             L-M  Sun          ers in summer feed bees.   PPL FR
Sedum spathulifolium           5-9  6" X 24"   NAT BEG. Groundcover. Yellow flow-
  Broadleaf Stonecrop          L-M  Sun-Part     ers in summer feed butterfly. PNP
Sedum species                  3-8  3" X 12"   BEG. Heat and drought resistant.
  Creeping Stonecrop           Low  Sun-Part     White to purple flowers.       FR
Sempervivum species            4-9  6" X 10"   Rosettes of green and purple leaves
  Hen and Chicks               Low  Sun-Part     Red or yellow flowers summer.  FR
Sidalcea campestris            7-9  4' X 18"   NAT. White-pink flowers June-July
  Meadow Checkermallow         Med. Sun-Part     feed bees and butterflies.    PNP
Sidalcea cusickii              7-9  3' X 1'    NAT. Pink flower spikes in May-July
  Cusick's Checkermallow       Med. Sun-Part     attract butterflies.
Sidalcea malviflora            5-9  3' X 2'    NAT. Pink or red flowers in late
  Checkerbloom                 Med. Sun-Part     summer feed bees, hummingbirds.
Silene regia                   5-8  4' X 4'    Scarlet red flowers in late summer.
  Royal Catchfly               Low  Sun-Part     feed butterflies, hummingbirds.
Silphium perfoliatum           3-9  6' X 3'    Yellow daisy flowers July-September
  Cup Plant                    Med. Sun          feed bees, birds and butterflies.
Sisyrinchium angustifolium     4-11 18" X 10"  Green or bluish leaves. Purple and
  Blue-eyed Grass              Med. Sun-Part     yellow flowers in May to June.
Sisyrinchium bellum            7-8  12" X 12"  NAT. Blue to violet-blue flowers ln
  Western Blue-eyed Grass      Med. Sun-Part     March to June. Dormant in summer.
Sisyrinchium californicum      7-10 15" X 10"  NAT. Yellow flowers in spring feed
  Yellow-eyed Grass            Low  Sun-Part     butterflies. Drought tolerant.
Sisyrinchium douglasii         4-9  12" X 12"  NAT. Reddish-purple flowers in
  Grass-widow                  Med. Sun          spring.
Sisyrinchium idahoense         5-8  12" X 12"  NAT. Thin, grass-like leaves. Pur-
  Idaho Blue-eyed Grass        Low  Sun          ple flowers on stalk tip.  FR PNP
Soleirolia soleirolii          7-10 6" X 10"   BEG. Dense mat. Tolerates foot
  Baby's Tears                 Med. Shade        traffic.
Solidago canadensis            3-9  4' X 4'    NAT. Yellow flowers July to October
  Tall Goldenrod               Med. Sun          feed bees and butterflies.     FR
Stachys species                4-8  15" X 20"  Soft, white, wooly leaves. Purplish
  Lamb's Ear                   Low  Sun-Part     pink flower spikes in summer.  FR
Stanleya pinnata               4-8  5' X 2'    NAT. Plumes of yellow flowers April
  Prince's Plume               Low  Sun          to Sept feed bees. Likes dry soil
Stokesia laevis                5-9  24" X 24"  Aster-like flowers of blue, violet
  Stokes Aster                 Med. Sun          or white in June to October.
Streptopus amplexifolius       4-8  30" X 12"  NAT. Greenish-yellow to white flow-
  Clasping Twistedstalk        Med. Shade-Part   ers June-July. Red edible berries
Strobilanthes atropurpureus    5-9  4' X 3'    Leaves have a purple cast. Purplish
  Persian Shield               Med. Sun          blue flowers summer to fall.
Symphyotrichum laeve           3-8  3' X 3'    NAT. Daisy-like blue to violet flo-
  Smooth Aster                 L-M  Sun          wers with yellow centers Aug-Sept
Symphyotrichum lanceolatum     3-9  4' X 30"   NAT. Sprays of white flowers with
  White Panicle Aster          Med. Sun-Part     yellow center July-Sept feed bees
Symphyotrichum novae-angliae   4-8  4' X 3'    NAT. Pink, blue, purple flowers
  New England Aster            Med. Sun          with yellow center late summer.FR
Symphyotrichum novi-belgii     4-8  15" X 15"  Red, pink or blue daisy flowers in
  New York Asters              Med. Sun-Part     August to October. Good cut.
Symphyotrichum subspicatum     5-8  2' X 2'    NAT. Drought tolerant. Purple
  Douglas Aster                Med. Sun-Part     flowers July to September.
Syneilesis palmata             5-9  18" X 18"  Umbrella of finely divided leaves.
  Shredded Umbrella Plant      Low  Sun-Part     Light pink flowers in June-July.
Synthyris missurica stellata   7-9  10" X 12"  NAT BEG. Blue spike flowers in ear-
  Columbia Kittentails         Med. Sun-Part     ly spring feed bees, butterflies.
Synthyris reniformis           8-10 2" X 12"   NAT BEG, Purple to blueish violet
  Spring Queen                 Med. Part Sun     flowers March to June.

T
Tanacetum coccineum            3-7  24" x 18"  Pink to red daisies in June-July.
  Painted Daisy                Med. Sun          Natural insecticide.
Tellima grandiflora            4-8  30" X 18"  NAT BEG. Greenish white flowers in
  Fringe Cups                  Med. Shade-Part   May-August feed butterflies.  PNP
Thalictrum species             5-9  3' X 2'    Airy plants with fuzzy flowers in
  Meadow Rue                   High Part Shade   white, pink or purple.        PNP
Thymus species                 6-9  4" X 12"   Aromatic leaves with tiny blue to
  Thyme                        Low  Sun-Part     red flowers. Good groundcover. FR
Tiarella cordifolia            4-9  8" X 18"   Fast spreading groundcovers. White
  Foamflower                   Med. Sun-Shade    to pink flowers in May.
Tiarella trifoliata            3-9  10" X 128" NAT. Small white flowers in dense
  Foamflower                   Med. Shade        patches in May-June.          PNP
Tolmiea menziesii              6-9  2' X 2'    NAT. Maroon flowers in spring to
  Piggyback Plant              M-H  Shade-Part   summer. Spreads.              PNP
Tradescantia occidentalis      4-9  18" X 10"  Blue to purplish flowers June-July.
  Western Spiderwort           Low  Sun-Part     Feeds bees, pollinators.       FR
Tradescantia virginiana        5-9  18" X 18"  Arching branches with white or blue
  Spiderwort                   High Part Shade   flowers in summer.
Tricyrtis hirta                4-9  30" X 24"  White flowers with purple spots in
  Toad Lily                    High Shade-Part   late summer to mid-fall.
Trifolium repens 'Dark Dancer' 4-8  4" x 12"   BEG. Groundcover. Low mat with dark
  Dark Dancer Clover           Med. Sun-Part     spots on leaves. White flowers.
Trillium albidum               6-8  12" X 6"   NAT. Three variegated leaves with
  Giant White Wake Robin       High Shade-Part   white flowers in March.
Trillium chloropetalum         6-9  18" X 18"  NAT. White, yellow or purple-black
  Giant Wake Robin             Med. Shade-Part   flowers in March to April.
Trillium kurabayashii          7-9  18" X 18"  NAT. Deep red flowers in April-May.
  Giant Purple Wakerobin       Med. Shade-Part   Dormant by midsummer.
Trillium ovatum                5-8  18" X 10"  NAT, Three leaves with white flow-
  Western Wake Robin           Med. Shade-Part   ers in March which turn red.  PNP
Tricyrtis hirta                4-9  30" X 20"  White flowers with purple spots in 
  Toad Lily                    M-H  Shade-Part   August to September.         
Triteleia hyacinthina          7-10 18" X 10"  NAT. Bulb. Clusters of white flow-   
  Wild Hyacinth                Med. Sun          ers June-July feed butterflies.     
Trollius chinensis             5-8  2' X 2'    Gold or yellow flowers in May to
  Globeflower                  High Sun-Part     June.
Tulipa hybrid                  3-8  6-24" X 8" Bulb. Many colors of flowers in
  Tulip                        Med. Sun-Part     March to May. Needs good drainage
Typha latifolia                3-10 6' X 4'    NAT. Bog plant. Makes thick clumps
  Broadleaf Cattail            High Sun-Part     in wet soil. Attracts birds.

V
Vancouveria hexandra           5-8  10" X 8"   NAT. White flowers in spring to
  White Inside-out Flower      L-M  Shade-Part   summer.                       PNP
Veratrum californicum          5-8  5' X 2'    NAT. Green flowers May-June. Deep
  Corn Lily                    M-H  Shade-Part   veined leaves. Poison roots.  PNP
Verbascum bombyciferum         5-9  4' X 18"   White wooly leaves. Yellow or
  Giant Silver Mullein         Low  Sun          purple flowers in summer.
Verbena canadensis 'Homestead' 6-10 10" X 30"  BEG. Red, pink, blue, purple
  Homestead Verbena series     L-M  Sun          flowers spring to fall.
Verbena lasiostachys           4-10 30" X 30"  NAT. Purple to blue flower spikes
  Western Vervain              Med. Sun          April to Sept feed hummingbirds.
Vernonia missurica             4-9  4' X 3'    Purple to magenta flowers in July-
  Missouri Ironweed            M-H  Sun          September feed bees butterflies.
Veronica species               3-8  2' X 1'    Red, pink, lavender, blue or white
  Speedwell                    Med. Sun-Part     flower spikes. Red Fox good cut.
Vinca minor                    4-9  5" X 2'    BEG. Blue, white or purple flowers
  Periwinkle                   L-M  Sun-Shade    in spring and summer.
Viola adunca                   3-9  4" X 6"    NAT. Purple flowers in spring to
  Early Blue Violet            L-M  Sun-Shade    summer. Attracts butterflies. PNP
Viola glabella                 5-8  4" X 8"    NAT. Small yellow flowers in spring
  Yellow Wood Violet           Med. Part Shade   feed butterflies.             PNP
Viola odorata                  4-9  6" X 12"   Dark purple flowers and a lovely
  Sweet Violet                 Med. Sun-Part     fragrance in February to April.
Viola sempervirens             6-9  4" X 6"    NAT BEG. Pale yellow flowers in
  Evergreen Violet             Med. Shade-Part   March-June feed butterflies.  PNP
Viola x wittrockiana           6-10 6" X 6"    Winter pansies in many colors can
  Pansy                        Med. Sun-Part     bloom all year in part shade.

W
Waldsteinia ternata            4-8  3" X 8"    BEG. Strawberry-like plant. Yellow
  Barren Strawberry            Med. Sun-Part     flowers April-June.
Wyethia angustifolia           4-7  2' X 30"   NAT. Yellow sunflower-like flowers
  Narrowleaf Mule Ears         L-M  Sun          April-July feeds butterflies.

X
Xerophyllum tenax              6-9  4' X 2'    NAT BEG. Grass like leaves and
  Bear Grass                   L-M  Sun-Part     creamy plume flowers.

Z
Zantedeschia species           8-11 2' X 2'    White, yellow or pink flowers in
  Calla Lily                   High Sun-Part     summer.
Zephyanthes candida            7-10 12" X 12"  Bulb. Crocus-like white flowers in
  Rain Lily                    Med. Sun          August to September.
Zephyranthes drummondii        7-10 10" X 6"   Bulb. Fragrant white flowers in May
  Evening Rain Lily            L-M  Sun          to September.

Trees and Shrubs in the Landscape
Roses
Annuals, Biennials, Perennials and Bulbs
Perennial Color by Flower Season and Height
Perennials in Alphabetical Order
Shrub Color 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
No One Wins an Argument