Answer: Oregon State University has published the following list of perennials for your gardening region:
(you'll find the botanical name, the zone, height and width, description and common name, in that order)
Acanthus mollis 7 18" X 3' Large, shiny green leaves. Spike
Grecian Pattern Plant Med. Part shade of lilac or rose flowers in June.
Achillea species 3 3' X 2' Native. Yellow or pastel flowers
Yarrow Low Sun in June-Sept. Good cut or dried.
Aconitum napellus 3 4' X 18" Blue or soft pink helmet-shaped
Monkshood High Sun-Part flowers July-August. Poisonous.
Aegopodium variegata 3 6" X 30" Low, dense mass of light green
Variegated Bishop's Weed Med. Part Shade leaves with white edges. Spreads.
Agapanthus africanus 8 2' X 2' Evergreen. Stalks of blue or white
Lily Of The Nile Low Sun-Part flowers in summer. Needs shelter.
Ajuga reptans 3 5" X 12" Evergreen. Blue flowers. Green
Carpet Bugle Med. Sun-Part bronze purple or varieg. leaves.
Alcea rosea 4 5' X 2' Biennial. Old fashioned favorite
Hollyhock Med. Sun now in many colors July-August.
Alchemilla mollis 4 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' Bulb. Fragrant pink trumpet flowers
Naked Lady Low Sun-Part on naked stalks after leaves die.
Anemone blanda 4 4" X 6" Bulb. Single blue pink or white
Windflower Low Part Sun flower in March.
Anemone coronaria 5 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.
Aquilegia species 3 2' X 18" Red white or blue flowers in May.
Columbine Med. Sun-Part Attracts hummingbirds.
Arabis caucasica 5 4" X 1' White flowers on fleshy leaves in
Rock Cress Med. Sun March to April. Good rock garden.
Arctostaphylos uva-ursi 2 2' X 3' Native evergreen. Pink flowers.
Kinnikinnick Low Sun-Shade 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 martima 3 10" X 1' Evergreen. Low 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.
Asclepias tuberosa 3 2' X 3' Bright orange flowers from July to
Butterfly Weed Med. Sun September. Attracts butterflies.
Aster frikartii 4 3' X 2' Large lavender blue daisies from
Frikart 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' 4 1' X 1' Violet flowers with golden orange
Wartburg Aster Med. Sun centers in June to September.
Astilbe arendsii 4 2' X 18" Tall spikes of red pink or white
Astilbe High Sun-Shade flowers from May to July.
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.
Baptisia australis 3 3' X 4' Spikes of small indigo blue flowers
False Indigo Low Sun in summer. Attractive seeds.
Bellis perennis 3 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. Shade-Part leaves. Pink flowers in spring.
Brunnera macrophylla 3 18" X 1' Airy clusters of blue flowers above
Siberian Bugloss Med. Part Shade heart shaped leaves in March-June
Campanula species 3 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 9 1' X 3' Evergreen. Blue flowers in late
Point Reyes Ceanothus Low Sun spring. Good groundcover.
Centaurea species 5 2' X 2' Silver gray leaves. Blue flowers in
Cornflower Med. Sun June-Sept. Good cut flowers.
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 Whie flowers in early summer.
Ceratostigma plumbaginoides 5 18" X 2' Intense blue flowers from July to
Dwarf Plumbago Med. Sun-Part September. Reddish new leaves.
Chrysanthemum coccineum 4 2' X 18" Fern-like leaves. Pink red or white
Painted Daisy Med. Sun flowers in May. Good cut flower.
Chrysanthemum maximum 7 2-4' X 2' Large white single or double
Shasta Daisy Med. Sun flowers May to October. Good cut.
Chrysanthemum morifolium 7 2' X 3' Many colors and styles of flowers
Garden Chrysanthemum Med. Sun August to frost. Good cut.
Cimicifuga racemosa 3 6' X 3' Spikes of white flowers from July
Bugbane Med. 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 majilis 2 6" X 15" Small fragrant bell-shaped white
Lilly-of-the-Valley Med. Part Shade flowers in May. Poisonous.
Convolvulus cneorum 8 2-4' X 4' Evergreen. White or light pink
Silver Bush Morning Glory Low Sun-Part trumpet flowers May to September.
Convolvulus mauritanicus 7 15" X 3' Evergreen. Lavender blue trumpet
Ground Morning Glory Low Sun-Part flowers June to November.
Coreopsis species 3 18" X 12" Profuse yellow daisies from June
Coreopsis Low Sun to September.
Cornus canadensis 2 4" X 2' Deciduous. 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.
Cotoneaster dammeri 6 6" X 3' Evergreen. White flowers in
Bearberry Cotoneaster Low Sun-Shade spring. Orange berries in fall.
Crocosmia crocosmiliflora 6 3' X 1' Strings of orange-crimson flowers
Montbretia Low Sun_Part 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 9 4" X 1' Leaves marbled silver and white.
Hardy Cyclamen Med. Sun-Part White or pink flowers August-Oct.
Delphinium hybrids 3 3-6' X 2' Tall spikes of blue,lavender, or
Larkspur Med. Sun white in June. Good cut.
Dianthus species 3 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 3 10" X 2' Low spreading plant with pink
Twinspur Low Sun-Part flowers from June to September.
Dicentra luxuriant 2 18" X 18" Dark blue-green fern-like leaves.
Luxuriant Bleeding Hearts Med. Sun-Shade Dark red flowers April to June.
Dicentra spectabilis 4 30" X 3' Dainty pink or white flowers in
Bleeding Hearts Med. Shade-Part April to 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 3 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 4' X 3' Showy flowers of drooping purple
Purple Coneflower Med. Sun petals in summer.
Echinops exaltatus 3 3' X 1' Coarse, prickly, gray-green leaves.
Globe thistle Med. Sun Steel blue flowers July to Sept.
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.
Eryngium amethystinum 2 2' X 1' Thistle-like plant. Steel blue or
Sea holly Low Sun amethyst flowers July to Sept.
Eschscholzia californica 1' X 2' Yellow, pink, or white poppies all
California Poppy Med. Sun summer. Remove dead flowers.
Euphorbia species 4 2' X 2' Narrow leaves with showy chartreuse
Spurge Low Sun bracts. Blooms from May to June.
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 species 3 2' X 18" Native. Fronds fork in finger-like
Maidenhair Fern High Shade pattern on slender black stems.
Fern, Athyrium filix-femina 6 4' X 3' Fine double cut leaves arch up and
Lady Fern High Shade out.
Fern, Blechnum spicant 2' X 2' Low spreading sterile fronds and
Deer Fern Med. Shade upright fertile fronds.
Fern, Dryopteris erythrosora 5 18" X 18" Fronds are reddish in spring, dark
Autumn Fern Med. Shade-Part green in summer.
Fern, Dryopteris expansa 4 2' X 2' Finely divided upright fronds die
Wood Fern Med. Shade-Part down in winter.
Fern, Polystichum munitum 7 3' X 3' Native evergreen. Excellent for
Sword Fern Low Shade woodsy area. Needs little water.
Fern, Polystichum setiferum 5 1' X 2' Evergreen. Low spreading, finely
Alaskan Fern Med. Shade cut fronds.
Fragaria chiloensis 2 6" X 1' Evergreen. White flowers in
Wild Strawberry Med. Sun-Part spring. Small 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 Sun-Part yellow, or checkered purple/white
Fuchsia magellanica 4 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 1' X 3' Evergreen. Pink bell flowers in
Wintergreen Med. Sun-Shade spring. Red edible berries.
Gaultheria shallon 6 2' X 3' Evergreen. Pink bell flowers in
Salal Med. Sun-Shade spring. Black edible berries.
Gaura lindheimeri 5 2' 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 5 2' X 2' Small to large cut leaves. White to
Cranesbill Geranium Med. Sun-Part purple flowers in summer.
Geum chiloense 4 1' X 1' Stems of red to copper flowers
Geum Med. Sun-Part above divided leaves in summer.
Gomphrena globosa 10" X 1' Rounded flower heads in red purple
Globe Amaranth Low Sun-Part and white. Excellent dried.
Goniolimon tataricum 4 1' X 1' Many branched white flowerhead in
German Statice Low Sun July-August. Excellent dried.
Grass, Acorus grami. 'Variega.' 5 1' X 1' Golden grasslike leaves resembles
Golden Varieg. Sweet Flag High Sun tiny iris. Likes lots of water.
Grass, Arrhe. elatius bulbosum' 4 12" X 18" Narrow leaves boldly edged with
Bulbous Oat Grass Med. Sun-Part white.
Grass, Carex buchananii 6 2' X 3' Grasslike clumps of reddish bronze
Fox Red Curly Sedge High Sun-Part with curly tips. Moist soil.
Grass, Carex morrowii expallida 5 1' X 18" Drooping leaves striped with white.
Variegated Japanese Sedge High Sun-Part
Grass, Cortaderia selloana 7 15' X 10' Large clump of grass with tall
Pampas Grass Any Sun white or pink plumes in fall
Grass, Deschampsia caespitosa v 5 18" X 12" Dark green clump of grass. Seed
Tufted Hair Grass Med. Sun-Part stalks produce plantlets.
Grass, Festuca ovina 'Glauca' 4 10" X 10" Evergreen. Low clumps of fine blue
Blue Fescue Grass Low Sun-Part grass.
Grass, Hakonech. macra 'Aureola 5 18" X 18" Graceful slender leaves with gold
Japanese Forest Grass Med. Shade stripes. Spreads slowly.
Grass, Imperata cylind. 'Rubra' 5 18" X 18" Top half of stems are blood red.
Japanese Blood Grass Med. Sun-Part Purplish in winter.
Grass, Miscanthus sinesnsis 5 5' X 4' Tall, graceful grass. Tan or brown
Japanese Maiden Grass High Sun-Shade in winter.
Grass, Pennisetum set. 'Rubrum' 6 4' X 3' Dense, rounded clump topped with
Purple Fountain Grass Low Sun-Part purple flower stalks. Likes dry.
Grass, Stipa gigantea 7 6' X 6' Clumps of 3' leaves with 6' tall
Giant Feather Grass Med. Sun and wide yellowish seed heads.
Gunnera manicata 7 8' X 6' Huge leaves with prominent veins.
Dinosaur Food High Part shade Tiny red fruit. Needs rich soil.
Gypsophila paniculata 3 3' X 3' Tiny pink flowers on branched stems
Baby's Breath Med. Sun July to October. Good cut.
Hebe species 8 3' X 3' Evergreen. Many leaf sizes and
Hebe Med. Sun-Part colors. Blue to purple flowers
Helianthemum nummularium 5 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.
Heliotropium arborescens 9 4' X 4' Tender perennial. Very fragrant
Heliotrope Med. Sun-Part blue flowers in summer.
Helleborus niger 4 18" X 1' Leartherly dark green leaves. White
Christmas Rose High Shade-Part flowers turn purplish. Dec-April.
Hemerocallis hybrids 3 3' X 2' Yellow orange bronze red or white
Daylily Med. Sun flowers May to October. Easy care
Herniaria glabra 2" X 1' Tiny green leaves turn bronzy in
Green Carpet Med. Sun-Shade winter. Good groundcover.
Heuchera sanguinea 3 2' X 18" Evergreen. Tall stalks of dainty
Coral Bells Med. Sun-Part coral flowers in April-August.
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 6 2' X 2' Evergreen. Large yellow flowers
St. Johns Wort Med. Sun-Shade in summer
Iberis sempervirens 3 1' X 1' Evergreen. White flowers in April
Candytuft Med. Sun cover low mound of small leaves.
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 hybrids 4 3' X 2' Bulb. Many sizes and colors of
Bearded Iris Med. Sun flowers in May and June.
Iris kampferi 5 3' X 2' Large white, lavender, purple or
Japanese Iris High Sun-Part blue flowers in May. Wet or dry.
Iris siberica 4 3' X 2' White, yellow, lavender, purple or
Siberian Iris High Sun-Part blue flowers in May. Wet or dry.
Kniphofia uvaria 5 3' X 2' Spikes of orange-red flowers July
Red Hot Poker Low Sun to August. Attracts hummingbirds.
Laurentia fluviatilis 3" X 1' Evergreen. Blue star-like flowers
Blue Star Creeper Med. Sun-Part in late spring and summer.
Lavandula species 6 30" 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 alpinus 6" X 8" White woolly leaves. Flowers and
Edelweis Med. Sun-Part floral leaves in May to July.
Leucojum vernum 6" X 6" Bulb. Clusters of white bells in
Snowflake Med. Shade March. Naturalizes under trees.
Lewisia cotyledon 3 10" X 5" Evergreen. Pink to orange flowers
Lewisia Low Sun-Part in May above rosette of leaves.
Liatris spicata 3 3' X 1' Narrow plume of fluffy rose-purple
Spike Gayfeather Low Sun flowers July-Sept. Excellent cut.
Ligularia dentata 5 3' X 30" Large heart-shaped red leaves with
Golden Ray Med. Sun-Shade yellow flowers August to Sept.
Lilium asiatic hybrids 4 3' X 18" Bulb. Very fragrant flowers in many
Asian Lily Med. Sun colors in late summer. Good cut.
Limonium latifolium 3 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 perenne 5 18" X 12" Profuse light blue flowers May to
Perennial Blue Flax Low Sun September. Fern-like leaves.
Liriope species 6 18" X 18" Clumps of grass-like leaves with
Lilyturf Med. Shade-Part spikes of blue flowers July-Oct.
Lithodora diffusa 6 5" X 3' Evergreen. Brilliant blue flowers
Lithospermum Med. Sun-Part May to July.
Lobelia cardinalis 4 3' X 1' Flame red flowers in June-July at-
Cardinal Flower Med. Sun tract hummingbirds & butterflies.
Lupinus hybrid 4 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 Med. Sun-Shade summer. Good groundcover.
Lysimachia punctata 3 2' X 1' Slender spikes of yellow flowers
Loosestrife Med. Sun-Part June to August. May be invasive.
Mahonia repens 6 2' X 2' Evergreen. Yellow flowers in
Creeping Oregon Grape Low Sun-shade spring. Black berries in fall.
Matricaria recutia 8" X 1' Fine cut fern-like leaves with
Feverfew, Chamomile Low Sun white & yellow flowers June-July.
Meconopsis betonicifolia 3' X 18" Sky blue poppies on a tall leafy
Himalayan Blue Poppy Med. Shade-Part stem in June to July.
Mentha requienii 7 1" X 1' Evergreen. Very low. Very
Corsican Mint Med. Sun-Part fragrant 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 3 2' X 18" White, scarlet, or purple flowers
Bee balm, Bergamot Med. Sun June-August attract hummingbirds.
Muscari armeniacum 2 6" X 6" Bulb. Bright blue flowers on 6"
Grape Hyacinth Low Sun-Part spikes in March and April.
Myosotis sylvatica 6 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.
Oenothera species 4 6" X 16" Large, light yellow flowers May to
Evening Primrose Low Sun September. Good groundcover.
Ophiopogon japonicus 6 8" X 10" Evergreen. Dark green tufts like
Mondo Grass Med. Sun-Shade grass. Lilac flowers in summer.
Pachysandra terminalis 4 6" X 1' Evergreen. White flower spikes.
Japanese Spurge High Shade-Part Dark green leaves. Groundcover.
Paeonia lactiflora 2 2' X 2' Ever popular plant in many colors
Bush Peony Med. Sun-Part in May. Good cut flowers.
Paeonia suffruticosa 5 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 orentalis 2 3' X 18" Large hairy divided leaves. 3-6"
Oriental Poppy Low Sun-Part flowers in May to June.
Penstemon species 4 18" X 18" Soft pink to deep purple flowers
Penstemon, Beard Tongue Low Sun June-Aug. Attracts hummingbirds.
Perovskia atriplicifolia 5 4' X 3' Gray-green leaves. Violet blue
Russian Sage Low Sun flower spikes July to Sept.
Phlox sublata 2 4" X 1' Evergreen. Dense mat of color in
Creeping Phlox Med. Sun May. Needs good drainage.
Phormium tenax 9 5' X 8' Dramatic clumps of straplike leaves
New Zealand Flax Any Sun-Part with red flowers. Salt tolerant.
Platycodon grandiflorus 3 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' Semi-evergreen. White to blue
Cape Plumbago Low Sun flowers April until frost.
Polemonium caeruleum 3 2' X 1' Clusters of sky blue flowers above
Jacob's Ladder High Shade-Part ladder-like leaves June to August
Potentilla verna nana 4" X 1' Yellow flowers in summer.
Dwarf Potentilla Med. Sun Good groundcover.
Primula species 7 6" X 6" Hardy flowers in late winter in
Primroses High Sun-Part many colors. Needs good drainage.
Pulmonaria longifolia 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' Bulb. Yellow, orange, red, pink, or
Persian Ranunculus Med. Sun white flowers in April to June.
Rhodohypoxis baurii 4 4" X 4" Mass of rose red flowers in spring
Rhodohypoxis Med. Sun and summer. Good rock garden.
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.
Rudbeckia hirta 3 30" X 2' Large yellow flowers with brown
Black Eyed Susan Med. Sun center from June to October.
Sagina sublata 3" X 1' Dense mat of dark green with small
Irish Moss Med. Sun-Part white flowers in spring.
Sagina sublata 'Aurea' 3" X 1' Dense mat of light green with small
Scotch Moss Med. Sun-Part white flowers in spring.
Salvia species 4 2' X 1' Narrow gray-green leaves. Fragrant
Garden Sage Low Sun blue or pink flowers June-August.
Santolina chamaecyparissus 6 18" X 2' Silvery-gray, finely divided leaves
Lavender Cotton Low Sun are fragrant when crushed.
Saponaria species 2 1' X 3' Dark, oval leaves with pink flowers
Soapwort Low Sun in spring. Good groundcover.
Saxafraga umbrosa 5 5" X 10" Small white star-like flowers with
London Pride Saxafrage Med. Sun-Part a reddish tinge in April-June.
Scabiosa caucasica 3 20" X 15" Blue, pink or white flowers June to
Pincushion Med. Sun frost. Good cut or dried.
Scaevola aemula 9 6" X 3' Evergreen. Lavender blue flowers
Fan Flowers Med. Sun almost all year. Good groundcover
Scilla campanulata 4 15" X 12" Bulb. Spikes of blue, white or pink
Wood Hyacinth Sun-Part flowers in May. Easy to grow.
Sedum species 3 3" X 1' Evergreen. Heat and drought resis-
Sedum Low Sun-Part tant. Yellow flowers in spring.
Sedum spectibile & S.telephium 3 18" X 15" Succulent leaves with large pink,
Fall Sedum Low Sun red, or orange flowers in fall.
Sempervivum species 4 6" X 12" Rosettes of green and purple leaves
Hen and Chicks Low Sun Red or yellow flowers in fall.
Sisyrinchium angustifolium 3 1' X 1' Green or bluish leaves. Purple &
Blue-eyed Grass Med. Sun yellow flowers in May to June.
Solidago canadensis 4 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.
Thymus species 5 4" X 1' Aromatic leaves with tiny red to
Thyme Low Sun-Part blue flowers. Good groundcover.
Trilium ovatum 4 1' X 6" Three leaves with white flower
Trillium Med. Shade-Part aging to pink in March.
Tulipa species 4 6-24"X8" Bulb. Many colors of flowers in
Tulip Med. Sun March to May. Needs good drainage
Verbascum species 6 3' X 1' White wooly leaves. Yellow or
Mullein Low Sun-Part purple flowers in summer.
Verbena hyb. 'Homestead Purple' 7 10" X 3' Evergreen. Purple flowers spring to
Homestead Purple Verbena Med. Sun fall. Good groundcover.
Veronica spicata 3 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 odorata 5 6" X 1' Dark purple flowers and a lovely
Sweet Violet Med. Sun-Part 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.
Waldestenia fragarioides 2 3" X 8" Evergreen. Strawberry-like plant.
Barren Strawberry Med. Sun-Part Yellow flowers in spring
Zantedeschia species 2 2' X 2' White, yellow or pink flowers in
Calla Lily High Sun-Part May. Likes damp soil.
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