Heracleum lanatum Cow Parsnip

~ Large striking herbaceous perennial, tolerates a wide range of soil and site conditions

~Very large umbels of fragrant white flowers and large, maple-like dark green foliage

~Full sun to partial shade, Well-drained, moist, fertile soil, Riparian

~Hardy to -35°C (-30°F) Zone 5B

~ Height: Up to 3m (10 ft), Spread: Up to 1m (3 ft)

~#2


Heuchera micrantha
Small Flowered Alum Root

~Heart-shaped, lobed, gray-marbled leaves with numerous delicate sprays of small white-pink flowers

~Stream banks, rock gardens and in perennial borders

~Partial shade, Well-drained, moist, fertile, Woodland

~Hardy to -30°C (-24°F) Zone 5A

~Height: 90cm (36 in), Spread: 45cm (18 in)

~4.5”


Iris tenax
Oregon Iris

~Broad green leaf blades, blue flower in May

~Grassy meadows, open woodland, logged areas

~Full Sun, Wet Soil, Grasslands

~Height : Up to 40cm (16in) tall, Spread: Indefinite

~Hardy to Zone 7B

~#1


Leptarrhena pyrolifolia
Leatherleaf Saxifrage

~ Attractive, evergreen with dark green, leathery, glossy leaves and dense clusters of small white flowers at the tips of stalks

~Nice in rock gardens - alpine gardens- beside pools

~Full sun, Moist, humus soil, Grassland

~Hardy to -40C to -34C (-40 to -30F) Zone 3A

~Height: 10-20 cm, Spread: 20-30 cm

~4.5”


Lilium columbianum
Tiger Lily

~Bright orange-red flowers, with dark spots, in August-September with a sweet fragrance ~ Hummingbirds are attracted to its brightly colored blossoms

~In borders and around larger trees and shrubs

~Full sun to partial shade, Well-drained soil, Woodland

~Hardy to -23°C (-10°F) Zone 6A

~Up to 1m (3 ft) tall, Spread: 30cm (1 ft)

~4.5”


Leutkea pectinata
Partridgefoot

~Fan-shaped, basal leaves in an evergreen, shrub-like perennial

~Small white flowers in a dense terminal cluster
~Full sun, moist soil, Alpine

~Hardy to zone 4

~Height: 15cm, Spread: indefinite

~3.5”


Lupinus arcticus
Arctic Lupine

~ A common wild flower that adds its beauty to alpine meadows and slopes.

~Bluish pea-like flowers arranged in elongated upright clusters

~Perennial or rock gardens, and reclamation of higher elevation sites

~Full sun, Well-drained soil, Alpine

~Very hardy in all areas

~Height: 60cm (24 in), Spread: 40-60cm (16-24 in)

~#1


Lupinus littoralis
Seashore Lupine

~ Purple, pea-like flowers in dense clusters from mid-spring to late summer

~Full sun, Well-drained soil, Shoreline

~Hardy to Zone 2A

~ Up to 1.5m (5 ft) tall, Spread: 30-40cm (12-16 in)

~#1


Lupinus polyphyllus
Large Leaved Lupine

~ Excellent for naturalizing in open open areas, wet meadows or wildflower borders ~Blue to violet, pea-like flowers in dense clusters from mid-spring to late summer

~Full sun to partial shade, Well-drained, moist soil, Mountain

~Hardy to Zone 4A

~ Up to 1.5m (5 ft) tall, Spread: 30-40cm (12-16 in)

~#1


Lupinus subalpinus
Subalpine Lupine

~ Commonly seen in alpine meadows.

~Purplish blue flowers , with white accents

~Borders, perennial gardens or in mass plantings

~Full sun to partial shade, Acidic, well-drained, sandy soil

~Hardy to -34°C (-30°F) Zone 5B

~Height: 12-24cm (1-2 ft), Spread: 60-90cm (2-3 ft)

~#1


Maianthemum racemosa
(Smilacina) False Solomon’s Seal

~ Impressive plant with large parallel veined foliage and creamy white flowers in May.

~Woodland areas and shady perennial borders

~Partial shade, High in humus, moist soil, Shade forest

~Extremely hardy, one 4A

~ Height: 60-90cm (2-3 ft), Spread: 30cm (12 in)

~#1


Mainanthemum stellata
(Smilacina) Star-Flowered Solomon’s Seal

~ Attractive delicately flowered plant with broad prominent veined leaves.

~Shaded woodland areas, mass plantings

~Star-shaped white flowers May to June

~Full sun to partial shade, High in humus, moist soil, Shade forest

~Hardy to -20°C (-15°F) Zone 6B

~ Height: 30-60cm (1-2 ft), Spread: 30cm (1 ft)

~4.5”


Mimulus lewisii
Pink Monkey Flower

~Thick stems with green, veined, clasping leaves

~Pink trumpet-shaped flowers

~Found along cold streams and wet open areas

~Full sun, Moist to wet soil, Roadside or Alpine

~Hardy to -34C (30F) Zone 4a

~Height: 100cm Spread: 50cm

~#1


Mitella nuda
Common Mitrewort

~Green, heart shaped basal leaves with greenish flowers on stalks

~Found in subalpine moist woods and clearings

~Shade, Moist soil, Shade Forest and Bog

~Hardy to Zone 3
~Height 20cm, Spread 10cm

~3.5”


Olysinum douglasii
(Sisyrinchium) Satin Flower

~ Small, attractive plant with slender, dark green, glossy blades and pink-purple flowers that have a satiny sheen that sparkles in the spring sunshine

~Dry, rocky bluffs, open oak woodlands; at low to middle elevations

~Full sun to partial shade, High in humus, moist soil, Grassland, Green Roof

~Hardy to -25C (-20F) Zone 5A

~Height: 10-30 cm (4-12 in), Spread: 5-10 cm

~3.5”


Papaver lapponicum spp. Occidentale
Alpine Poppy

~ Small clustered plant with white and yellow flowers on short stalks and silvery, hairy foliage in small clusters

~Rock gardens, containers and for alpine restoration

~Full sun, Well-drained soil, Alpine

~Hardy to -40°C (-40°F) Zone 2B

~Height: 10cm (4 in), Spread: 15cm (6 in)

~#1


Penstemon confertus
Yellow Penstemon

~ Perennial with oval/ lance-shaped green leaves and creamy white to yellow flowers

~Grows well in in open meadows and wetlands

~Full sun, Well-drained, moist, Alpine

~Hardy to Zone 4A

~Height: 45cm, Spread: 30cm (12 in)

~#1


Penstemon davidsonii
Beardstongue

~ Low growing perennial forming dense evergreen mats with flowers ranging from deep blue to dark purple

~Grows well in rocky areas and perennial borders

~Full sun, Well-drained, rocky, slightly alkaline soil, Alpine

~Hardy in all areas Zone 2A

~Height: 5-10cm (2-4 in), Spread: 30cm (12 in)

~#1


Penstemon gormanii
Gorman’s Beardstongue

~ Perennial with basal, oval leaves and blue/purple flowers

~Grows well in rocky areas and perennial borders

~Full sun, Dry, rocky, Grassland and Green Roof

~Hardy in all areas Zone 2A

~Height: 15-50cm, Spread: 30cm (12 in)

~#1


Penstemon procerus
Small-Flowered Penstemon

~ Low growing perennial forming dense evergreen mats with flowers ranging from deep blue to dark purple

~Full sun, Dry, sandy soil, Alpine

~Hardy in all areas Zone 2A

~Height: 40cm, Spread: 30cm (12 in)

~#1


Penstemon serrulatus
Cascade Penstemon

~ Bushy and mounding plant with dark green lance-shaped foliage that turns red in the fall.

~Pink-purple clusters of showy tubular flowers

~Streambanks, moist rocky slopes and garden borders

~Full sun to partial shade, Well-drained, moist, fertile soil, Woodland

~Hardy to -35°C (-30°F) Zone 5B

~Height: 50cm (20 in), Spread: 30cm (12 in)

~4.5”


Petasites palmatus
Palmate Coltsfoot

~ A sturdy, sizeable perennial, reproducing through rhizomes with heart shaped green leaves, deeply divided with 5-7 toothed lobes, wooly underneath

~Whitish flowers on a thick stalk that precedes the leaves.

~Moist woodlands, swampy areas, clearings in trees.

~Partial sun to full shade, Evenly moist soil, Grassland

~ Hardy to -35°C (-30°F) Zone 5B

~Height: 10-50cm (4-20"), Spread: Up to 1M (3ft)

~#1


Polemonium pulcherrum
Showy Jacob’s Ladder

~Perennial with basal leaflets on clustered stems

~Flowers are blue with yellow centre in the shape of a bell

~Full sun, Dry , rocky or sandy soil, Roadside, Alpine and Green Roof

~Hardy to Zone 1

~Height 35cm, Spread 12 cm

~ 3.5”


Potentilla nivea
Snow Cinquefoil

~Tufted perennial with hairy, basal leaves, whitish on bottom

~Yellow flowers

~Full sun, Well-drained, rocky soils, Roadside, Alpine and Green Roof

~Hardy to Zone 1

~Height 10cm, Spread 8 cm

~#1


Prunella vulgaris
Self Heal

~ Excellent growth rate, stunning flower display in May, June.

~Green, oblong leaves and vibrant purple flowers in a spike-like cluster

~Perennial shade gardens, forest edges, fields.

~Partial sun to full shade, Evenly moist soil, Woodland, Green Roof

~Hardy to -28C (-20F) Zone 5A, Drought tolerant

~Height: 10-50cm (4-20"), Spread: 10-50cm (4-20")

~#1


Pulsatilla ludovoiciana (Anemone patens)
Pasqueflower

~Hairy perennial with leaves divided into narrow segments

~White flowers

~Sun to partial shade, Well-drained, rocky soil, Alpine and Green Roof

~Hardy to Zone 1

~Height: 40cm, Spread: 12cm

~3.5”


Saxifraga bronchialis
Spotted Saxifrage

~Cushion like evergreen perennial with leathery leaves

~White flowers spotted with red

~Full sun, Dry, rocky soils, Roadside, Alpine and Green Roof

~Hardy to Zone 2

~Height: 15cm, Spread: 3cm

~3.5”


Saxifraga tricuspidata
Three-toothed Saxifrage

~Leathery three-toothed leaves in a small, cushion-like perennial

~White flowers, spotted with red

~Full sun, Dry, rocky soils, Roadside, Alpine and Green Roof

~Hardy to Zone 2

~Height: 25cm, Spread: 6cm

~3.5”


Solidago canadensis
Canadian Goldenrod

~ Attracts bees and butterflies. Provides excellent fall color with plumes of yellow flowers.

~Meadows, perennial borders and open areas, excellent for reclamation

~Full sun, Well-drained, loam , Grassland

~Hardy to Zone 4A

~Height: 30-90cm (1-3 ft), Spread: 30-60cm (1-2 ft)

~#1


Stellaria longipes
Long-Stalked Starwort

~Small perennial with narrow, pointed leaves

~Flowers are white

~Full sun to partial shade, Moist to dry soils, Roadside and Alpine

~Hardy to Zone 2

~Height: 20cm, Spread: 5cm

~3.5”


Streptopus amplexifolius
Clasping Twistedstalk

~Green, oval-lance shaped leaves that clasp to branching stem

~Bell shaped, greenish-white flowers followed by a reddish berry

~Wonderful additions to perennial gardens

~Partial shade, Moist, humus soils, Shade forest and woodland

~Hardy to Zone 5

~Height: 1m, Spread: 20cm

~#1


Streptopus roseus
Rosey Twistedstalk

~Perennial with green, elliptic leaves

~Rosey, bell shaped flowers on curved stalks followed by a reddish berry

~Wonderful additions to perennial gardens

~Partial shade, Moist soils, Shade forest and woodland

~Hardy to Zone 3

~Height: 30cm, Spread: 20cm

~#1


Tellima grandiflora
Fringecup

~ Mid-green, hairy, heart-shaped leaves, has a mounding/creeping habit.

~ Small, delicate, fragrant spikes of greenish-white flowers, in spring

~Borders, under trees and shrubs, and in woodland gardens

~Partial shade, Well-drained, moist, fertile soil , Shade forest

~Hardy to -30°C (-24°F) Zone 4B

~Height: 80cm (32 in), Spread: 30cm (12 in)

~4.5”


Tiarella trifoliata
Foamflower

~ Interesting, low growing perennial with clusters of white, long-lasting flowers.

~Mass planting, feature clumps and in moist shady areas Useful for under conifers.

~Full sun to partial shade, High in humus, moist soil, Shade forest

~Hardy to Zone 4B

~ Height: 15-60cm (6-24 in), Spread: 15-60cm (6-24 in)

~4.5”


Tolmiea menziesii
Piggy Back Plant


~Excellent spreading native groundcover with broad fuzzy leaves, producing new plants from the leaf axils

~ Grows best in moist and shady areas.

~Full sun to partial shade, Well-drained soil , Shade forest

~Hardy to -20°C (-15°F) Zone 6B

~Height: 60cm (24 in), Spread: 45cm (18 in)

~4.5”


Trientalis arctica
Northern Starflower

~ Small attractive plant, low growing, spreading with oval to lance-shaped leaves in a whorl and white, starlike petals arising from center of leaf whorl

~Bogs, swamps, wet thickets

~Partial to full shade, Moist soil

~Hardy from -40 to -34 C (-40 to -30 F) Zone 3A

~Height: 10 cm (4"), Spread: 20 cm (8 ")

~#1


Trillium ovatum
White Trillium

~ Bright green heart shaped leaves with eye-catching large single white flowers turning pink as they age

~Rock or shade gardens, along borders and under trees and shrubs

~Partial shade, Fertile, well-drained soil

~Hardy to -20°C (-15°F) Zone 6B

~ Height: 15cm (6 in), Spread: 15-30cm (6-12 in)


Vancouveria hexandra
Inside-out Flower

~ Rhizomatous perennial, basal, heart to egg shaped leaves with 9-15 leaflets and delicate, white flowers that are bent backwards with a flare

~Shade gardens

~Partial to full shade, moist soil, Shade Forest

~Height 40 cm (16"), Spread: 30 cm (12")

~#1


Viola adunca
Early Blue Violet

~ Perennial with oval to heart-shaped, green leaves and purple flowers, appearing from March to June

~Sun, Dry to moist soil, Woodland and Grassland

~Hardy to -31C (-25F) Zone 4B

~Height: 10cm (4 in), Spread: 15cm (6 in)

~3.5”


Viola praemorsa
Yellow Montane Violet

~ Broadly lance-shaped, hairy, fleshy dark green leaves

~Yellow flowers with brown streaks at back

~Sun, Dry soil, Grassland

~Hardy to -31C (-25F) Zone 4B

~Height: 15cm (6 in), Spread: 15cm (6 in)

~3.5”

Viola sempervirens Evergreen Violet

~ Low growing evergreen perennial with heart-shaped, thick, leathery green leaves and pale yellow flowers, appearing from March to June

~Moist forests, perennial borders, and under trees

~Partial shade to full shade, Well-drained, moist soil, Shade forest

~Hardy to -31C (-25F) Zone 4B

~Height: 10cm (4 in), Spread: 15cm (6 in)

~3.5”