Low = under 8 inches, Medium = 8 inches to 30 inches, Tall = over 30 inches
USDA
Scientific name Zone Height X Width Description
Common name H2O Exposure
Acanthus mollis 6 3' X 3' Large, shiny green leaves. Spike
Grecian Pattern Plant Med. Sun-Part of lilac or rose flowers in June.
Achillea species 3 3' X 2' Yellow or pastel flower heads in
Yarrow Low Sun-Part June-Sept. Good cut or dried.
Achillia millefolium 3 30" X 12" Native. White flat flowers in sum-
Common Yarrow Low Sun mer. Good dried flowers.
Aconitum napellus 3 4' X 18" Blue or soft pink helmet-shaped
Monkshood High Sun-Part flowers July-August. Poisonous.
Aegopodium podagraria variegata 1 6" X 30" Low, dense mass of light green
Variegated Bishop's Weed Med. Sun-Shade leaves with white edges. Spreads.
Agapanthus africanus 7 2' X 2' Evergreen. Stalks of blue or white
Lily Of The Nile Low Sun-Part flowers in summer. Needs shelter.
Agastache species 6 2' X 1' Attracts hummingbirds. Masses of
Hyssop Med. Sun-Part red, pink or lavender flowers.
Ajuga reptans 3 5" X 12" Evergreen. Blue flowers. Green
Carpet Bugle Med. Sun-Part bronze purple or varieg. leaves.
Alcea rosea 3 5' X 2' Biennial. Old fashioned favorite
Hollyhock Med. Sun now in many colors July-August.
Alchemilla mollis 3 15" X 1' Scalloped leaves hold raindrops.
Lady's Mantle Med. Sun-Part Good cut greenish flowers in June
Allium giganteum 4 5' X 1' Bulb. Ball-like clusters of lilac
Giant Allium Med. Sun flowers in July.
Alstroemeria premium 8 2' X 3' Orange yellow pink red and white
Peruvian Lily Med. Part Sun flowers June to July. Good cut.
Amaryllis belladona 6 2' X 1' Fragrant pink trumpet flowers on
Naked Lady Low Sun-Part naked stalks after leaves die.
Anaphalis margaritacea 3 2' X 1' Native. Gray-green leaves. Papery
Pearly Everlasting High Sun white flowers in late Summer.
Anemone blanda 4 4" X 6" Bulb. Single blue, pink or white
Windflower Low Part Sun flower in March.
Anemone coronaria 6 2' X 15" Bulb. Red, blue, purple or white
Wind Flower Med. Part shade flowers May and June. Good cut.
Anemone huphensis 5 2' X 15" Purple to white flowers in fall.
Japanese Anemone Med. Sun-Part Excellent for cut flowers.
Anemone pulsatilla 5 1' x 1' Low mound of featherly leaves.
Pasque Flower Med. Sun-Part Violet flowers in spring.
Anthemis tinctoria 4 2' X 2' Pale yellow daisies in summer.
Hardy Marguerite Daisy Med. Sun Great cut flowers.
Aquilegia formosum 3 2' X 2' Native. Red flowers in May to
Red Columbine Low Part Sun August. Attracts hummingbirds.
Aquilegia species 3 2' X 18" Red white or blue flowers in May.
Columbine Med. Sun-Shade Attracts hummingbirds/butterflies
Arabis caucasica 3 4" X 1' White flowers on fleshy leaves in
Rock Cress Med. Sun March to April. Good rock garden.
Arctostaphylos uva-ursi 2 8" X 4' Native evergreen. Pink flowers.
Kinnikinnick Low Sun-Part Red berries. Good groundcover.
Arenaria montana 3 4" X 18" Low mound of white flowers from
Montana Sandwort Med. Sun-Part March to April. Likes lime.
Armeria maritima 4 10" X 1' Native evergreen. Mound of leaves.
Sea Thrift Med. Sun-Part Pink or white flowers April-June.
Artemisia species 3 1' X 2' Silvery leaves in many shapes.
Wormwood Low Sun Yellow flowers in August.
Aruncus dioicus 4 1' X 1' Native. Creamy white flowers in
Goatsbeard Med. Shade-Part June and July.
Asarum caudatum 4 4" X 2' Native. Large, heart shaped leaves
Wild Ginger High Shade-Part hide brown flowers early Spring.
Asarum species 4 6" X 18" Groundcover. Glossy leaves hide
Wild Ginger High Shade-Part small red flowers.
Asclepias tuberosa 4 2' X 3' Bright orange flowers from July to
Butterfly Weed Med. Sun September. Attracts butterflies.
Aspidistra elatior 7 18" X 3' Evergreen. Strap like leaves.
Cast Iron Plant Med. Shade Tolerates deep shade. Very tough.
Asplenium scolopendrium 6 18" X 15" Native evergreen. Strap-like fronds
Hart's Tongue Fern Med. Shade-Part with wavy edges.
Aster frikartii 5 3' X 2' Large lavender blue daisies from
Frikart's Aster Med. Sun May to frost if deadheaded.
Aster species 4 18" X 1' Daisy flowers in many colors bloom
Asters Med. Sun August to frost. Good cut.
Aster tongolensis 'Wartburg' 5 1' X 1' Violet flowers with golden orange
Wartburg Aster Med. Sun centers in June to September.
Astilbe arendsii 3 2' X 18" Tall spikes of red pink or white
Astilbe High Sun-Shade flowers from May to July.
Astrantia major 4 2' X 2' Red, pink or white flowers in
Masterwort Med. Sun-Part summer. Good cut or dried.
Aubrieta deltoidea 4 5" X 15" Low mat of red to blue flowers in
Rock Cress Med. Sun-Part March to May. Good in rock walls.
Aurinia saxatilis 4 10" X 1' Evergreen. Green gray leaves with
Basket Of Gold Med. Sun-Part yellow flowers from April-June.
Ballota nigra 'Archers Variety' 4 2' X 3' Leaves have white streaks and spots
Variegated Horehound Low Sun Tiny purple flowers in summer.
Baptisia australis 4 3' X 4' Spikes of small indigo blue flowers
False Indigo Low Sun in summer. Attractive seeds.
Bellis perennis 4 5" X 6" Red, rose, and white flowers in
English Daisy Med. Sun-Part April and May. Good in lawns.
Bergenia cordifolia 3 15" X 2' Evergreen. Large heart shaped
Heartleaf Bergenia Med. Sun-Part leaves. Pink flowers in Spring.
Boltonia asteroides 4 4' X 3' Thousands of white or pink daisies
False Starwort Low Sun in August to October.
Brugmansia species (Datura) 8 3-8'X 3-8' Tender perennial needs protection.
Angel's Trumpet Med. Sun-Shade Large, fragrant white flowers.
Brunnera macrophylla 5 15" X 1' Airy clusters of blue flowers above
Siberian Bugloss High Part Shade heart shaped leaves in March-June
Calceolaria biflora 6 12" X 8" Evergreen. Pouch-like flowers of
Pocketbook Flower Med. Shade-Part yellow and red in May and June.
Camassia quamash 6 18" X 12" Native bulb. Blue flowers in
Common Camas High Sun Spring.
Campanula species 4 1-5' X 1' Bell or star shaped flowers. Many
Bellflower High Shade-Part forms and colors are available.
Canna species 7 3-6' X 2' Tall stalk with large leaves and
Canna Med. Sun many colored flowers.
Catananche caerulea 4 18" X 1' Gray green leaves. Deep blue flo-
Cupid's Dart Low Sun wers June to August. Good dried.
Ceanothus gloriosus 7 15" X 3' Evergreen. Blue flowers in late
Point Reyes Ceanothus Low Sun spring. Good groundcover.
Centranthus ruber 4 3' X 18" Rosy red flowers from June to Sept.
Jupiter's Beard Low Sun-Part Good cut flowers. Needs drainage.
Cerastium tomentosum 3 6" X 2' Evergreen. Silvery gray leaves.
Snow-in-Summer Med. Sun-Part White flowers in early summer.
Ceratostigma plumbaginoides 6 18" X 2' Intense blue flowers from July to
Dwarf Plumbago Med. Sun-Part September. Reddish new leaves.
Chelone species 5 3' X 2' Unusual white pink or red flowers
Turtlehead High Sun-Part resemble a turtle's head.
Chrysanthemum coccinneum 4 30" X 2' Finely divided leaves. Pink, red,
Painted Daisy Med. Sun or white flowers in May.
Chrysanthemum morifolium 4 2' X 3' Many colors and styles of flowers
Garden Chrysanthemum Med. Sun August to frost. Good cut.
Cimicifuga racemosa 4 6' X 3' Spikes of white flowers from July
Bugbane, Black Cohosh High Shade-Part to Oct. Seed clusters good dried.
Conradina verticillata 5 1' X 3' Aromatic leaves. Lavender pink
Cumberland Rosemary Med. Sun flowers in June.
Convallaria majalis 3 6" X 15" Small fragrant bell-shaped white
Lily-of-the-Valley Med. Shade-Part flowers in May. Poisonous.
Convolvulus cneorum 8 2' X 2' Evergreen. White or light pink
Silver Bush Morn. Glory Low Sun-Part trumpet flowers May to September.
Convolvulus mauritanicus 7 5" X 2' Evergreen. Lavender blue trumpet
Ground Morning Glory Low Sun-Part flowers May to September.
Coreopsis species 4 18" X 18" Profuse yellow daisies from June
Coreopsis, Tickseed Low Sun-Part to September.
Cornus canadensis 1 3" X 2' Semi-evergreen. White flowers in
Bunchberry Med. Sun-Shade spring. Red berries in fall.
Corydalis lutea 6 15" X 15" Masses of gray-green divided leaves
Corydalis High Part Shade Yellow flowers June-August.
Cosmos atrosanguineus 8 2' X 2' Deep brownish red flowers with
Chocolate Cosmos Med. Sun chocolate or vanilla fragrance.
Cotoneaster dammeri 1 5" X 6' Evergreen. White flowers in
Bearberry Cotoneaster Low Sun-Shade spring. Orange berries in fall.
Cotula squalida 4 2" X 1' Evergreen. Button flowers in May-
Brass Buttons Med. Part Sun June. Fern-like foliage creeps.
Crocosmia crocosmiliflora 4 3' X 18" Strings of orange-crimson flowers
Montbretia Low Sun in July and August. Good cut.
Crocus sativus 5 6" X 4" Bulb. Lilac flowers in fall.
Fall or Saffron Crocus Low Sun Stigma of flower makes saffron.
Crocus vernus 3 4" X 4" Bulb. White, pink, blue, or purple
Dutch Crocus Low Sun-Part flowers in February to March.
Cyclamen hederifolium 6 4" X 1' Leaves marbled silver and white.
Hardy Cyclamen Med. Sun-Part White or pink flowers August-Oct.
Cynara cardunculus 7 5' X 4' Large, toothed silvery leaves. Blue
Cardoon Med. Sun violet flowers July-September.
Dahlia hybrids 8 2-6'X 2-4' Tuber. Many colors and forms. Dig
Dahlia Med. Sun-Part or cover with mulch in the Fall.
Delosperma cooperi 6 4" X 18" Evergreen. Succulent foliage with
Ice Plant Low Sun magenta daisies July to September
Delphinium hybrids 3 3-6' X 2' Tall spikes of blue, lavender, or
Larkspur Med. Sun white in June. Good cut.
Dianthus species 4 1-3' X 1' Low mound or tall cut flower in
Carnation or Pinks Med. Sun-Part pink, red and white May to July.
Diascia species 7 10" X 2' Low spreading plant with pink flo-
Twinspur Low Sun-Part wers from June to September.
Dicentra formosa 3 15" X 18" Native. Dark fern-like leaves.
Western Bleeding Heart Low Shade-Part Light pink flowers April to June.
Dicentra spectabilis 3 30" X 3' Dainty pink or white flowers in
Bleeding Heart Med. Shade-Part April to June.
Dierama pulcherrimum 7 5' X 5' Sword-like leaves. Purple to white
Wand Flower High Sun bell-shaped flowers May-June.
Dietes bicolor 8 18" X 15" Iris-like leaves with yellow and
African Iris Med. Sun-Part maroon flowers spring to fall.
Digitalis purpurea 4 4' X 1' Spike of white to pink spotted
Pink Foxglove Med. Part shade flowers. Leaves are poisonous.
Doronicum cordatum 4 18" X 12" Low mound. Yellow daisy flowers on
Leopard's Bane Med. Part Shade tall stems April-June. Good cut.
Echinacea purpurea 4 2' X 3' Showy flowers of drooping purple
Purple Coneflower Med. Sun-Part petals in summer.
Echinops exaltatus 4 3' X 1' Coarse, prickly, gray-green leaves.
Globe thistle Med. Sun Steel blue flowers July to Sept.
Endymion non-scriptus (Scilla) 4 15" X 12" Bulb. Spikes of blue white or pink
Wood Hyacinth Med. Sun-Part flowers in May. Easy to grow.
Epimedium grandiflorum 4 1' X 3' Evergreen. Red white pink or
Bishop's Hat Med. Part Shade violet flowers. Bronze leaves.
Erigeron species 7 18" X 1' Aster-like white, lavender or pink
Fleabane Med. Sun-Part flowers August to frost. Native.
Erodium reichardii 6 5" X 1' Evergreen. Tough low creeper with
Cranesbill Med. Sun-Part many flowers May to October.
Eryngium amethystinum 4 2' X 1' Thistle-like plant. Steel blue or
Sea holly Low Sun amethyst flowers July to Sept.
Erysimum linifolium 6 2' X 2' Yellow to purple flowers all summer
Wallflower Med. Sun-Part long.
Eschscholzia californica 1' X 2' Yellow, pink, or white poppies all
California Poppy Low Sun summer. Remove dead flowers.
Eucomis comosa 7 3' X 3' Large, strap-like leaves with tall
Purple Pineapple Lily Med. Sun-Part bloom resembling a pineapple.
Eupatorium maculatum 4 5' X 3' Narrow leaves with showy chartreuse
Joe Pye Weed Med. Sun-Part bracts. Blooms from July to Sept.
Euphorbia species 6 2' X 2' Green to purple leaves. Chartreuse
Spurge Low Sun to burgandy flowers.
Euryops pectinatus 8 5' X 3' Bright yellow daisy-like flowers
Golden Shrub Daisy Low Sun March-October. Needs protection.
Felicia amelloides 9 18" X 4' Sky-blue, yellow-centered daisies
Blue Marguerite Med. Sun all summer. Fragrant leaves.
Fern, Adiantum pedantum 2 18" X 18" Fronds fork in finger-like pattern
Western Maidenhair Fern High Shade-Part on slender black stems.
Fern, Athyrium filix-femina 4 2' X 2' Fine double cut leaves arch up and
Lady Fern Med. Shade out.
Fern, Athyrium nipponicum 4 10" X 15" Deciduous. Green with silver-gray
Japanese Painted Fern Med. Shade-Part on burgandy stems.
Fern, Blechnum spicant 7 2' X 2' Low spreading sterile fronds and
Deer Fern Med. Shade upright fertile fronds.
Fern, Cyrtomium falcatum 8 2' X 2' Evergreen, but tender at 25 degrees
Holly Fern High Shade-Part Does well indoors.
Fern, Dicksonia antarctica 9 12' X 15' Evergreen. 6' arching fronds.
Tasmanian Tree Fern High Shade Protect from frost.
Fern, Dryopteris erythrosora 6 18" X 18" Evergreen. New fronds are coppery
Autumn Fern Low Shade-Part red, mature to green.
Fern, Dryopteris expansa 4 2' X 2' Finely divided upright fronds die
Wood Fern Med. Shade-Part down in winter.
Fern, Matteuccia struthiopteris 4 3' X 2' Tall deciduous fronds with shorter
Ostrich Fern High Shade-Part evergreen fronds.
Fern, Osmunda cinnamomea 4 4' X 3' Long bluish-green and reddish-brown
Cinnamon Fern High Shade fronds emerge in spring.
Fern, Osmunda regalis 4 4' X 4' Large, handsome fronds die down in
Royal Fern High Shade winter.
Fern, Polystichum munitum 6 3' X 3' Native evergreen. Excellent for
Western Sword Fern Low Shade woodsy area. Needs little water.
Fern, Polystichum polyblepharum 6 2' X 2' Evergreen. Fronds unfurl backwards
Tassel Fern High Shade-Part creating a tassel.
Fern, Polystichum setiferum 6 2' X 2' Evergreen. Low spreading, finely
Alaskan Fern Med. Shade-Part cut fronds.
Filipendula palmata 4 3' X 2' Tiny pink flowers in tall umbels,
Siberian Meadowsweet Med. Sun-Shade June to August. Good cut.
Fragaria 'Lipstick' 4 4" X 24" Evergreen groundcover. Large, rose
Lipstick Strawberry Med. Sun-Part colored flowers in Spring.
Fragaria chiloensis 4 6" X 1' Native evergreen groundcover. White
Wild Strawberry Med. Sun-Part flowers in spring. Red berries.
Freesia species 3 15" X 1' Bulb. Fragrant flowers in many
Freesia Med. Sun-Part colors in May. Good cut flower.
Fritillaria species 5 2-4' X 1' Bulb. Unusual flowers of orange,
Fritillaria Med. Sun-Part yellow or checkered purple/white.
Fuchsia magellanica 6 3' X 3' Red, white, and violet flowers on
Hardy Fuchsia High Part Shade rounded bush July to frost.
Gaillardia grandiflora 3 2' X 2' Daisy-like flowers of yellow, red,
Blanket Flower Low Sun orange and maroon June to frost.
Galanthus nivalis 3 8" X 8" Bulb. Dainty white bells in Feb. to
Snowdrop Med. Shade-Part March. Naturalizes under trees.
Galium odoratum 4 8" X 2' Small white flowers on dense mat
Sweet Woodruff Med. Shade of green from May to August.
Gaultheria procumbens 3 6" X 18" Native evergreen. Pink bell flowers
Wintergreen Med. Sun-Shade in spring. Red edible berries.
Gaultheria shallon 6 2' X 3' Native evergreen. Pink bell flowers
Salal Med. Sun-Shade om spring. Black edible berries.
Gaura lindheimeri 7 18" X 2' Pink buds open into white flowers
Gaura Low Sun like white butterflies June-Sept.
Gentiana species 3 1' X 1' Dark blue flowers in July to Sept.
Gentian High Sun Needs good drainage & acid soil.
Geranium species 4 2' X 2' Small to large cut leaves. White to
Cranesbill Geranium Med. Sun-Part purple flowers in summer.
Geum coccinium 4 1' X 1' Stems of red to copper flowers
Geum, Grecian Rose Med. Sun-Part above divided leaves in summer.
Goniolimon tataricum 4 1' X 1' Many branched white flower-head in
German Statice Low Sun July-August. Excellent dried.
Grass, Acorus gramineus 5 12" X 18" Grass-like leaves resembles tiny
Sweet Flag High Sun-Part iris. Likes lots of water.
Grass, Arrhenath. elatius bulb. 4 12" X 18" Narrow leaves boldly edged with
Bulbous Oat Grass Med. Sun-Part white.
Grass, Calamagrostis acutiflora 4 4' X 3' Tall grass with feathery tops.
Feather Grass Med. Sun Golden yellow in the Fall.
Grass, Carex buchananii 5 2' X 3' Grass-like clumps of reddish bronze
Fox Red Curly Sedge High Sun-Part with curly tips. Moist soil.
Grass, Carex morrowii 5 15" X 18" Drooping leaves striped with white.
Japanese Sedge High Sun-Part Prefers moist soil.
Grass, Carex testacea 6 16" X 1' Fine blades turn almost orange in
Orange Sedge High Sun-Shade sun, olive green in shade.
Grass, Carex tumicola 8 18" X 18" Native evergreen grass.
Berkeley Sedge Med. Sun-Part
Grass, Cortaderia sell. 'Pumila' 5 5' X 6' Large clump of grass with white or
Ivory Feathers Pampas Gr Any Sun-Part pink plumes in fall.
Grass, Deschampsia caespitosa 4 18" X 12" Native. Dark green clump of grass.
Tufted Hair Grass High Sun-Part Seed stalks produce plantlets.
Grass, Elymus glaucus 4 2' X 2' Native. Dense clumps of blue grass.
Blue Wild Rye Low Sun blue grass.
Grass, Festuca ovina 'Glauca' 4 10" X 10" Evergreen. Low clumps of fine blue
Blue Fescue Grass Low Sun-Part grass. Needs good drainage.
Grass, Hakonechloa macra 5 10" X 18" Graceful slender leaves with gold
Japanese Forest Grass High Shade stripes. Spreads slowly.
Grass, Helictotrichon semperv. 4 2' X 2' Evergreen. Mound of blue grass.
Blue Oat Grass Med. Sun
Grass, Imperata cylindr. 'Rubra' 5 18" X 18" Top half of stems are blood red.
Japanese Blood Grass Med. Sun-Part Purplish in winter.
Grass, Juncus effusus 5 2' X 2' Native evergreen. Tolerates wet
Soft Rush High Sun-Part soil. J. e. Spiralis is twisted.
Grass, Miscanthus sinensis 5 5' X 4' Tall, graceful grass. Tan or brown
Japanese Maiden Grass Med. Sun-Shade in winter.
Grass, Molinea caerulea 4 5' X 4' Dark green grass. Turns yellow in
Moor Grass Med. Sun Fall.
Grass, Ophiopogon japonicus 5 8" X 10" Evergreen. Dark green tufts like
Mondo Grass Med. Sun-Shade grass. Lilac flowers in summer.
Grass, Ophiopogon planisca. 'Nig 5 10" X 2' Evergreen. Glossy black leaves.
Black Mondo Grass Med. Sun-Part Lilac flowers in late summer.
Grass, Panicum virgatum 4 4' X 3' Blue to red blades in summer. Airy
Switch Grass Med. Sun seed heads in fall.
Grass, Pennisetum alopecuroides 5 3' X 3' Dense, rounded clump topped with
Fountain Grass Low Sun-Part purple flower stalks. Likes dry.
Grass, Scirpus cernuus 8 8" X 8" Drooping green threadlike leaves
Fiber Optic Grass High Part Shade with brown tip. Good in pots.
Grass, Scirpus cernuus 9 10" X 10" Small white seed on tip of each
Fiber Optic Grass High Sun-Part blade.
Grass, Stipa gigantea 6 6' X 6' Clumps of 3' leaves with 6' tall
Giant Feather Grass Med. Sun and wide yellowish seed heads.
Grass, Stipa tenuissima 7 2' X 2' Deciduous. Soft, fine, bright green
Mexican Feather Grass Med. Sun foliage.
Gunnera manicata 7 8' X 6' Huge leaves with prominent veins.
Dinosaur Plant High Part shade Tiny red fruit. Needs rich soil.
Gypsophila paniculata 4 3' X 3' Tiny pink flowers on branched stems
Baby's Breath Med. Sun July to October. Good cut.
Helenium autumnale 4 3' X 3' Daisy-like flowers of red, yellow,
Sneezeweed Low Sun copper Summer to early Fall.
Helianthemum nummularium 4 6" X 1' Red, orange, yellow, pink, peach, &
Sunrose Low Sun white flowers in June to August.
Helianthus species 4 5' X 2' Tall stalk with yellow flowers from
Sunflower High Sun July to September. Good cut.
Heliopsis helianthoides 3 3' X 3' Deciduous. Large yellow flowers in
Ox Eye High Sun summer. Needs well drained soil.
Heliotropium arborescens 9 4' X 4' Tender perennial. Very fragrant
Heliotrope High Sun-Part blue flowers in summer.
Helleborus niger 4 15" X 1' Leathery dark green leaves. White
Christmas Rose High Shade-Part flowers turn purplish. Dec-April.
Helleborus orientalis 4 18" X 1' Leathery dark green leaves. White,
Lenten Rose High Shade-Part pink, red, yellow, green flowers.
Hemerocallis hybrids 3 3' X 2' Yellow orange bronze red or white
Daylily Med. Sun flowers May to October. Easy care
Herniaria glabra 5 2" X 1' Tiny green leaves turn bronzy in
Green Carpet Med. Sun-Shade winter. Good groundcover.
Hesperis matronalis 5 3' X 2' Old fashioned plant. Fragrant lav-
Dame's Rocket Med. Sun-Part ender or pink flowers May-June.
Heuchera sanguinea 4 15" X 18" Evergreen. Tall stalks of dainty
Coral Bells Med. Sun-Part coral flowers in April-August.
Heucherella tiarelloides 4 1' X 2' Hybrids between Heuchera and Tia-
Foam Flower Med. Part shade rella. Colorful foliage.
Hibiscus moscheutos 4 5' X 5' 8" red, pink, rose or white flowers
Rose Mallow Med. Sun from June until frost.
Hosta species 3 30" X 18" Colorful leaves with tall stalks of
Hosta Med. Shade-Part lavender flowers. Bait for slugs.
Hyacinthus orientalis 4 8" X 6" bulb. Very fragrant spikes of blue,
Hyacinth Low Sun-Shade white, or purple in April to May.
Hypericum calycinum 7 15" X 2' Evergreen. Large yellow flowers
St. Johns Wort Med. Sun-Shade in summer.
Iberis sempervirens 4 8" X 1' Evergreen. White flowers in April
Candytuft Low Sun cover low mound of small leaves.
Incarvillea delavayi 5 3' X 2' Clusters of 3" long purple trumpet
Hardy Gloxinia Med. Sun-Part inMay-July.
Iris "Dutch Hybrid" 5 8" X 5" Bulb. Slender stalks topped by iris
Dutch Iris Med. Sun-Part flower in many colors in April.
Iris ensata 4 3' X 2' Large white, lavender, purple or
Japanese Iris High Sun-Part blue flowers in May. Wet or dry.
Iris hybrids 4 3' X 2' Many sizes and colors of flowers in
Bearded Iris Med. Sun May and June.
Iris sibirica 3 3' X 2' White, yellow, lavender, purple or
Siberian Iris High Sun-Part blue flowers in May. Wet or dry.
Iris tenax 5 15" X 18" Native. Purple flowers with yellow
Oregon iris Low Sun-Part or white. Drought tolerant.
Kirengeshoma palmata 4 4' X 3' Palmate leaves with yellow flowers
Yellow Waxbells Med. Shade-Part in August.
Kniphofia uvaria 6 3' X 2' Spikes of orange-red flowers July
Red Hot Poker Low Sun to August. Attracts hummingbirds.
Lamium maculatum 4 6" X 2' Silver leaves. Pink or white
Deadnettle Med. Part Shade flowers in May-July.
Lavandula species 6 2' X 3' Evergreen. Gray leaves with fra-
Lavender Low Sun grant lavender flowers July-Aug.
Lavatera thuringiaca 6 5' X 5' Evergreen. Hollyhock like pink
Tree Mallow Low Sun flowers all summer.
Leontipodium alpinum 3 6" X 8" White woolly leaves. Flowers and
Edelweis Med. Sun-Part floral leaves in May to July.
Leptinella squalida 5 1" X 1' Evergreen. Gray to black fern like
Brass Buttons Med. Sun-Shade leaves. Tolerates foot traffic.
Leucanthemum x superbum 4 2-4' X 2' Large white single or double
Shasta Daisy Med. Sun-Part flowers May to October. Good cut.
Leucojum vernum 6" X 6" Bulb. Clusters of white bells in
Snowflake Med. Shade March. Naturalizes under trees.
Lewisia cotyledon 4 10" X 5" Evergreen. Pink to orange flowers
Lewisia Low Sun-Part in May-Aug. above rosette leaves.
Liatris spicata 3 2' X 1' Narrow plume of fluffy rose-purple
Spike Gayfeather Low Sun flowers July-Sept. Excellent cut.
Libertia peregrinans 7 18" x 18" Narrow leaves are bright orange on
New Zealand Iris Med. Sun-Shade the edges. White flowers Spring.
Ligularia dentata 4 3' X 30" Large heart-shaped red leaves with
Golden Ray Med. Shade-Part yellow flowers August to Sept.
Ligularia tussilaginea (Farfugiu 8 2' X 2' Thick leaves with yellow spots.
Leopard Plant Med. Sun-Part Yellow flowers. Good indoors.
Lilium asiatic hybrids 4 3' X 18" Many colors of very fragrant
Asian Lily Med. Sun flowers in late summer. Good cut.
Limonium latifolium 4 2' X 18" White and blue or pink flowers from
Sea Lavender Low Sun May to July. Needs good drainage.
Linaria purpurea 3' X 1' Purple snapdragon-like flowers all
Toadflax Med. Sun summer and fall.
Linum lewisii 5 15" X 12" Native. Delicate blue flowers on
Blue Flax Low Sun slender stalks. Drought tolerant.
Linum perenne 5 18" X 12" Profuse light blue flowers May to
Perennial blue flax Low Sun September. Fern-like leaves.
Liriope species 5 15" X 18" Clumps of grass-like leaves with
Lilyturf Med. Shade-Part spikes of blue flowers July-Oct.
Lithodora diffusa 5 5" X 3' Evergreen. Brilliant blue flowers
Lithospermum Med. Sun-Part May to July. Likes good drainage.
Lobelia cardinalis 5 3' X 1' Flame red flowers in June-July at-
Cardinal Flower Med. Sun tract hummingbirds & butterflies.
Lupinus hybrid 3 30" X 18" Stately flower spikes up to 1' from
Hybrid Lupine Med. Sun June to August. Good cut flowers.
Lychnis coronaria 6 2' X 18" Silky white foliage. Magenta to
Rose campion Low Sun-Part crimson flowers from May to July.
Lysimachia nummularia 3 6" X 3' Evergreen. Yellow flowers in
Creeping Jenny High Shade-Part summer. Good groundcover.
Matricaria recutia 8" X 1' Fine cut fern-like leaves with
Feverfew, Chamomile Low Sun white & yellow flowers June-July.
Mazus reptans 5 2' X 18" Evergreen groundcover. Blue flowers
Mazus Med. Sun-Part in spring. Moist well drained.
Meconopsis betonicifolia 4 3' X 18" Sky blue poppies on a tall leafy
Himalayan Blue Poppy Med. Shade-Part stem in June to July.
Mentha requienii 5 1" X 1' Evergreen. Very low. Very fragrant
Corsican Mint High Shade-Part when bruised or crushed.
Mertensia virginica 3 20" X 1' Native. Pink turning to blue petti-
Virginia Bluebells Med. Shade-Part coat flowers in April and May.
Monarda didyma 4 2' X 18" White, scarlet, or purple flowers
Bee balm, Bergamot Med. Sun June-August attract hummingbirds.
Muehlenbeckia axillaris 3 5" X 15" Evergreen groundcover. Translucent
Creeping Wire Vine Med. Sun-Part white fruit with black seeds.
Muscari armeniacum 4 6" X 6" Bulb. Bright blue flowers on 6"
Grape Hyacinth Low Sun-Part spikes in March and April.
Myosotis sylvatica 3 8" X 8" Blue, pink, or white flowers May to
Forget-Me-Not Med. Sun-Shade September. Spreads easily.
Narcissus species 4 2' X 1' Bulb. Yellow, orange, or white flo-
Daffodils Low Sun-Part wers in March to April. Easy.
Nepeta faassenii 4 3' X 2' Violet blue flowers above blue-gray
Catmint Low Sun-Part leaves July to September.
Oenothera missouriensis 5 6" X 16" Large, light yellow flowers May to
Missouri Primrose Low Sun-Part September. Good groundcover.
Osteospermum barberae 4 12" X 18" Purple flowers from fall to spring.
African Daisy Med. Sun Needs good drainage.
Oxalis oregana 3 7" X 30" Native. Excellent groundcover for
Wood sorrel Med. Shade-Part shade. White flowers April-June.
Pachysandra terminalis 5 8" X 1' Evergreen. White flower spikes.
Japanese Spurge High Shade-Part Dark green leaves. Groundcover.
Paeonia lactiflora 4 2' X 2' Ever popular plant in many colors
Bush Peony Med. Sun-Part in May. Good cut flowers.
Paeonia suffruticosa 6 5' X 5' Large flowers up to 1' across in
Tree Peony Med. Sun-Part many colors in May. Some double.
Papaver nudicaule 2 14" X 10" 3-4" flowers in many colors from
Iceland Poppy Low Sun-Part April to September. Good cut.
Papaver orientalis 3 3' X 18" Large hairy divided leaves. 3-6"
Oriental Poppy Low Sun-Part flowers in May to June.
Parahebe perfoliata 7 2' X 3' Evergreen. Bluish-gray foliage.
Digger's Speedwell Med. Sun-Part Blue-violet flowers May-August.
Penstemon species 5 2' X 2' Soft pink to deep purple flowers
Penstemon, Beard Tongue Low Sun June-Sep. Attracts hummingbirds.
Perovskia atriplicifolia 5 4' X 3' Gray-green leaves. Violet blue
Russian Sage Low Sun flower spikes July to Sept.
Phlomis fruticosa 6 4' X 3' Silver-gray leaves. Yellow flowers
Jerusalem Sage Low Sun attract bees and butterflies.
Phlox paniculata 4 2' X 2' Many colors available, some with a
Summer Phlox Any Sun contrasting eye.
Phlox subulata 3 4" X 1' Evergreen. Dense mat of color in
Creeping Phlox Med. Sun May-June. Needs good drainage.
Phormium tenax 8 2-5' X 8' Dramatic clumps of straplike leaves
New Zealand Flax Any Sun-Part with red flowers. Salt tolerant.
Phygelius capensis 7 3' X 3' Red, coral, pink or yellow tubular
Cape Fuchsia Low Sun-Shade flowers all summer.
Physostegia virginiana 3 3' X 2' Tall spikes of pink or white flow-
Obedient Plant Med. Sun-Part ers in late summer.
Platycodon grandiflorus 4 3' X 2' Balloon-like buds open to blue pink
Baloon Flower Med. Part Shade or white flowers June to August.
Plumbago auriculata 9 5' X 8' Semievergreen. White to blue
Cape Plumbago Low Sun flowers April until frost.
Polemonium caeruleum 4 2' X 1' Clusters of sky blue flowers above
Jacob's Ladder High Sun-Shade ladder-like leaves June to August
Polygonatum biflorum 3 30" X 2' Pairs of greenish white flowers on
Solomon's Seal Med. Shade-Part arching stems. Blue-black berries
Potentilla verna nana 3 4" X 1' Yellow flowers in summer.
Dwarf Potentilla Med. Sun
Pratia pedunculata 4 3" X 1' Evergreen. Blue star-like flowers
Blue Star Creeper Med. Sun-Part in late spring and summer.
Primula species 5 6" X 6" Hardy flowers in late winter in
Primroses High Sun-Part many colors. Needs good drainage.
Pulmonaria species 4 1' X 18" Dark green leaves with white spots.
Lungwort Med. Shade-Part Deep blue flowers in June & July.
Ranunculus asiaticus 4 15" X 1' Large yellow, orange, red, pink, or
Persian Ranunculus Med. Sun white flowers in April to June.
Raoulia australis 7 3" X 1' Evergreen groundcover. Tiny gray
Raoulia Med. Sun leaves. Needs perfect drainage.
Ratibida pinnata 4 4' X 2' Yellow ray flowers with brown cen-
Prairie Coneflower Med. Sun ters.
Rheum palmatum 3 4' X 3' Deciduous. Green, bronze & dark red
Ornamental Rhubarb High Sun-Part leaves. Red flower stalks in May.
Rhodohypoxis baurii 4 4" X 4" Mass of rose red flowers in spring
Rhodohypoxis Med. Sun and summer. Good rock garden.
Rodgersia aesculifolia 5 5' X 3' Creamy white flowers late spring to
Rodger's Flower High Shade-Part early summer. Huge fingered leaf.
Romneya coulteri 4 6' X 3' Fragrant large white flowers May
Matilija Poppy Low Sun to July. Good cut flowers.
Rosmarinus officinalis 8 2' X 5' Aromatic leaves with blue flowers
Rosemary Low Sun in spring. Needs good drainage.
Rubus pentalobus 6 6" X 3' Evergreen groundcover. Small white
Creeping Raspberry Low Sun-Part flowers. Edible fruit.
Rudbeckia hirta 3 30" X 2' Large yellow flowers with brown
Black Eyed Susan Med. Sun center from June to October.
Sagina sublata 4 2" X 1' Dense mat of dark green with small
Irish Moss Med. Sun-Part white flowers in spring.
Sagina sublata 'Aurea' 4 2" X 1' Dense mat of light green with small
Scotch Moss Med. Sun-Part white flowers in spring.
Salvia species 7 1-3' X 2' Narrow gray-green leaves. Fragrant
Garden Sage Low Sun-Part blue or pink flowers June-August.
Santolina chamaecyparissus 7 18" X 2' Silvery-gray, finely divided leaves
Lavender Cotton Low Sun are fragrant when crushed.
Saponaria species 3 1' X 3' Dark, oval leaves with pink flowers
Soapwort Low Sun in spring. Good groundcover.
Saxifraga species 4 1' X 18" Small white star-like flowers with
Rockfoil Med. Shade-Part a reddish tinge in April-June.
Scabiosa columbaria 5 18" X 18" Blue, pink or white flowers June to
Pincushion Low Sun-Part frost. Good cut or dried.
Scaevola aemula 9 6" X 3' Evergreen. Lavender blue flowers
Fan Flowers Med. Sun almost all year. Good groundcover
Schizostylis coccinea 7 2' X 2' Cup-shaped red to pink flowers over
Kaffir Lily Med. Sun-Part iris-like leaves in fall.
Scilla campanulata 4 15" X 12" Bulb. Spikes of blue, white or pink
Wood Hyacinth Med. Sun-Part flowers in May. Easy to grow.
Sedum species 4 3" X 1' Evergreen. Heat and drought resis-
Creeping Stonecrop Low Sun-Part tant. White to purple flowers.
Sedum species 4 18" X 15" Succulent leaves with large pink,
Fall Sedum Low Sun-Part red, or orange flowers in fall.
Selaginella kraussiana 7 2" X 1' Evergreen. Dense mat with great
Spikemoss High Part Shade color in shade gardens.
Sempervivum species 3 6" X 12" Rosettes of green and purple leaves
Hen and Chicks Low Sun-Part Red or yellow flowers in summer.
Senecio greyi 8 3' X 3' Evergreen. Silvery leaves with
Daisy Bush Low Sun yellow daisy flowers in summer.
Sidalcea malviflora 6 3' X 2' Pink or red flowers resemble holly-
Checkerbloom Med. Sun-Part hocks. Attracts hummingbirds.
Silene species 5 12" X 15" Groundcover. Magenta to cream flow-
Moss Campion Med. Sun-Part ers in spring.
Sisyrinchium angustifolium 3 1' X 1' Green or bluish leaves. Purple &
Blue-eyed Grass Med. Sun yellow flowers in May to June.
Sisyrinchium idahoensis 2 12" X 12" Native. Thin, grass-like leaves.
Idaho Blue-eyed Grass Low Sun Purple flowers on tip of stalk.
Smilacina racemosa 3 3' X 1' Tall plumes of fuzzy white flowers.
False Solomon's Seal High Shade-Part Red & white speckled fruit.
Soleirolia soleirolii 7 1" X 1' Evergreen. Dense mat. Tolerates
Baby Tears Med. Shade foot traffic.
Solidago species 5 2' X 18" Large clusters of golden yellow
Goldenrod Med. Sun-Part flowers July to October.
Stachys byzantina 4 1' X 2' Soft, white, wooly leaves. Small
Lamb's Ear Low Sun-Part purplish flower spikes in June.
Stokesia laevis 5 18" X 18" Aster-like flowers of blue, violet,
Stokes Aster Med. Sun or white in June to September.
Tanacetum coccineum 5 30" x 18" Pink to red daisies in June-July.
Painted Daisy Med. Sun Natural insecticide.
Thalictrum species 5 3' X 2' Airy plants with fuzzy flowers in
Meadow Rue High Sun-Part white, pink or purple.
Thymus species 4 4" X 1' Aromatic leaves with tiny red to
Thyme Low Sun-Part blue flowers. Good groundcover.
Tiarella cordifolia 4 8" X 2' Fast spreading groundcovers. White
Foamflower High Shade-Part to pink flowers.
Tradescantia virginiana 3 18" X 18" Arching branches with white or blue
Spiderwort High Part Shade flowers in summer.
Tricyrtis hirta 6 2' X 2' Purple spotted flowers in spring.
Toad Lily High Shade-Part spring.
Trifolium repens 'Dark Dancer' 4 4" x 1' Evergreen groundcover. Low mat with
Dark Dancer Clover Med. Sun-Part dark spots on leaves. White flwrs
Trillium species 4 1' X 6" Native. Three leaves with white
Trillium High Shade-Part flowers aging to pink in March.
Tritelaia hyacinthina 4 15" X 15" Native bulb. Clusters of white/pur-
White Brodiaea Med. Sun plish flowers in June-July.
Trollius species 3 2' X 2' Deciduous. Gold or yellow flowers
Globeflower High Sun-Part May-June.
Tulipa species 4 6-24" X 8" Bulb. Many colors of flowers in
Tulip Med. Sun-Part March to May. Needs good drainage
Typha latifolia 4 6' X 4' Native bog plant. Makes thick
Cattails High Sun clumps in moist soil.
Verbascum species 5 3' X 1' White wooly leaves. Yellow or
Mullein Low Sun-Part purple flowers in summer.
Verbena hyb. 'Homestead Purple' 6 10" X 3' Evergreen. Purple flowers spring to
Homestead Purple Verbena Med. Sun fall. Good groundcover.
Veronica species 4 2' X 1' Deep blue or red flower spikes.
Speedwell Med. Sun-Part 'Red Fox' is good for cut flowers
Vinca minor 4 1' X 3' Evergreen. Blue, white or purple
Periwinkle Med. Sun-Shade flowers in spring and summer.
Viola glabella 6 8" X 8" Native. Small heart-shaped flowers.
Yellow Wood Violet Med. Shade-Part Small yellow flowers in spring.
Viola odorata 6 6" X 1' Dark purple flowers and a lovely
Sweet Violet Med. Sun-Shade fragrance in February to April.
Viola wittrockiana 5 6" X 6" Winter pansies in many colors can
Pansy Med. Sun-Shade bloom all year in part shade.
Zantedeschia species 2 2' X 2' White, yellow or pink flowers in
Calla Lily High Sun-Part May.
Zauschneria species 3 5" X 18" Deciduous. Orange scarlet flowers
California Fuchsia Low Sun-Part in summer attract hummingbirds.
