Wildflowers
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Common yarrow (Achillea millefolium)

Height:
8-16″
Color:
white
Flowering Period:
June-September
Light Requirement:

Full Sun
Moisture Requirement:

Moderate Moisture / Wet
Perennial herb with feathery, lance-shaped leaves that are evenly distributed along stem. Flowers clustered, forming flat white top.
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Rosy pussytoes (Antennaria rosea)

Height:
8-18″
Color:
pink to rose
Flowering Period:
Early summer
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Mat-forming perennial with white or grey woolly leaves; attractive foliage through Fall. Common in the high desert of eastern Cascades, extends up in elevation to pine and Douglas fir forests. Often found on dry, rocky alpine ridges.
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Balsamroot (Balsamorhiza sagittata)

Height:
12-24″
Color:
yellow
Flowering Period:
May
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Large, long lived, tap-rooted perennial; numerous sunflower-like flowers heads.
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Rocky Mountain bee plant (Cleome serrulata)

Height:
3-6’
Color:
pink
Flowering Period:
July- September
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Tall, very drought tolerant annual with large, pink, late-season flowering blooms. Attracts numerous pollinators. Excellent for areas that receive minimal or no irrigation.
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Blue mountain prairie clover (Dalea ornata)

Height:
<18"
Color:
Lt. pink/ magenta
Flowering Period:
June-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial. Flowering head up to 2 in. long. Habitat: rocky sandy places often with sagebrush. Native to Oregon.
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Purple prairie clover (Dalea purpurea)

Height:
12-36″
Color:
Dark pink to purple
Flowering Period:
May-September
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Numerous flowers on cylindrical spike 1-2 inches long. Native to central US. Deep rooted, nitrogen fixing plant.
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Fireweed (Epilobium angustifolium)

Height:
4-6″
Color:
Dark pink
Flowering Period:
July-September
Light Requirement:

Full Sun
Moisture Requirement:

Moderate Moisture
Perennial herbaceous plant. Showy 1″ flowers on terminal spike.
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Threadleaf fleabane (Erigeron filifolius)

Height:
<12”
Color:
Light purple
Flowering Period:
July-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial with many erect and spreading leaves with grayish hairs. Multiple purplish white flowers with yellow centers. Grow in dry prairie and rocky sites; often in sagebrush steppe.
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Yellow desert daisy (Erigeron linearis)

Height:
<8”
Color:
yellow
Flowering Period:
May-June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Tap-rooted, clumping perennial with multiple yellow, aster-like flowers. Grows in dry, rocky sites; often in sagebrush steppe.
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Oval leaved Buckwheat (Eriogonum ovalifolium)

Height:
4-8”
Color:
White, pink, light yellow
Flowering Period:
July-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Mat-forming perennial; Oval-shaped leaves silvery white. Single head of creamy white flowers on leafless stalk. Habitat: Sagebrush steppe to alpine ridges.
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Sulfur Buckwheat (Eriogonum umbellatum)

Height:
4-12”
Color:
White to bright yellow, reddish
Flowering Period:
May-June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Tap-rooted, mat forming perennial; Leaves oblong or spatula-shaped in whorls at base of stems are woolly beneath. Leaves turn showy red/maroon in autumn; flowers turn rosy ting with age. Common in sagebrush steppe and grasslands, and dry open forests in central Oregon.
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Arrowleaf buckwheat (Eriogonum compositum)

Height:
18-24″
Color:
yellow
Flowering Period:
early May to mid June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
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Creamy Buckwheat (Eriogonum heracleoides)

Height:
4-16”
Color:
White to yellow
Flowering Period:
Mid summer
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Clump-forming perennial with linear, grayish woolly leaves in whorls at base of stems; flowers turn rosy ting with age. Habitat: Common in sagebrush steppe and grasslands, and dry open forests.
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Round Headed Buckwheat (Eriogonum sphaerocephalum)

Height:
<16”
Color:
White to yellow
Flowering Period:
Mid spring to summer
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial, shrub or sub shrub growth form. Flower heads round (popcorn-like).
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Thyme leaved Buckwheat (Eriogonum thymoides)

Height:
<6”
Color:
Whitish pink to yellow
Flowering Period:
May-June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Low growing perennial; woody, mat-forming sub-shrub with tiny grayish green, narrow linear leaves.
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Oregon sunshine (Eriophyllum lanatum)

Height:
12-18”
Color:
yellow
Flowering Period:
May-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial with clumping growth form of grayish green leaves. Common in dry open habitats.
-
Sticky geranium (Geranium viscosissimum)

Height:
16-36”
Color:
white to deep purple-magenta
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial; Stems and leaves densely covered with sticky, glandular hairs. Habitat: dry grasslands and open forests.
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Prairie Smoke (Geum triflorum)

Height:
<18”
Color:
pink
Flowering Period:
May-June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Rhizomatous perennial Flowers urn-shaped; Fruits feathery clusters of seeds with plume-like bronze to purplish styles. Habitat: dry open forests, grasslands, and dry gravelly soils.
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Scarlet gilia (Ipomopsis aggregata)

Height:
<36”
Color:
Red
Flowering Period:
Late spring through summer
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Biennial or short-lived perennial; Highly dissected leaves on numerous stems. Habitat: open rocky slopes, grasslands, open forests, plains, dry meadows and mountain slopes.
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Blue Flag Iris (Iris missouriensis)

Height:
12-24”
Color:
Blue to purple
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Moderate Moisture
Perennial; rhizomatous with grass-like foliage and showy flowers. Prefers seasonally wet areas; moisture important through flowering period.
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Bitterroot (Lewisia rediviva)

Height:
1-2”
Color:
White to pink
Flowering Period:
Late spring
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Low growing perennial from a tap root. Small succulent, needle like foliage often gone when flowering. Flowers large 1.5-2 inches. Found growing in harsh rocky/gravelly sites. Great for rock gardens.
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Lewis flax (Linum lewisii)

Height:
18-24”
Color:
Blue to purple
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Native, semi-evergreen perennial. Grows in sagebrush steppe to open ponderosa pine forests.
-
Blue flax (Linum perenne)

Height:
18-24”
Color:
Blue to purple
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Introduced from Eurasia. Naturalized throughout US.
-
Silver lupine (Lupinus argenteus)

Height:
18 – 36”
Color:
Purple
Flowering Period:
June-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Grayish green foliage, silvery underneath; shrubby growth form Flowers growing on spike (raceme) up to 5”.
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Large leaved lupine (Lupinus polyphyllus)

Height:
<48”
Color:
Blue – Purple
Flowering Period:
June to July
Light Requirement:

Partial Shade
Moisture Requirement:

Wet
Large leaves up to 6 inches in diameter. Showy flowers growing on tall spike (raceme), 6 to 18”. Prefers moist soil; found in riparian areas.
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Yellow monkeyflower (Mimulus guttatus)

Height:
<36”
Color:
yellow
Flowering Period:
May-August
Light Requirement:

Full Sun / Partial Shade
Moisture Requirement:

Wet
Showy 1’ wide, 5 lobed flowers with orange spots on lower lip. Habitat includes wet seeps and draws, moist forest openings, and streamsides.
-
Pink monkeyflower (Mimulus lewisii)

Height:
12-32”
Color:
pink
Flowering Period:
July to September
Light Requirement:

Full Sun / Partial Shade
Moisture Requirement:

Wet
Perennial with showy, large 2-lipped, trumpet shaped flower. Habitat includes wet seeps and draws, moist forest openings, and streamsides.
-
Fragrant evening primrose (Oenothera caespitosa)

Height:
3-9″
Color:
white
Flowering Period:
late spring – summer
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Showy white flowers open after sunset and redden with age. Beautiful in moonlight. Grows in sagebrush-steppe and pine forest.
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Davidson’s penstemon (Penstemon davidsonii)

Height:
<12”
Color:
lavender
Flowering Period:
June-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Shrubby, mat-forming perennial. Found in rocky outcrops.
-
Shrubby penstemon (Penstemon fruiticosus)

Height:
<18”
Color:
Blue to lavender
Flowering Period:
May – August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Woody perennial, generally prostrate and mat forming; Leaves leathery and shiny. Habitat: open rocky slopes to moderately dense forest from the foothills to high mountains.
-
Lowly penstemon (Penstemon humilis)

Height:
<14”
Color:
Blue to purple
Flowering Period:
May – August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Herbaceous to woody sub-shrub perennial with small, numerous tubular flowers. Habitat ranges from sagebrush steppe to highly elevation in forest openings.
-
Pineleaf penstemon (Penstemon pinifolius)

Height:
12-15″
Color:
red
Flowering Period:
late June through August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Compact low growing, perennial with numerous, red tubular flowers and small, narrow leaves. Native to the southwestern US. Attracts hummingbirds.
-
Cutleaf penstemon (Penstemon richardsonii)

Height:
8-32”
Color:
Pink to lavender
Flowering Period:
May – August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Numerous sprawling stems arise from shrubby base with serrated leaves. Habitat: open rocky places and cliff sides.
-
Rock penstemon (Penstemon rupicola)

Height:
<6”
Color:
pink
Flowering Period:
June-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Semi-evergreen perennial: shrubby at base; leaves bluish and leathery. Basalt rock cliffs or rock outcrops.
-
Rydberg’s penstemon (Penstemon rydbergii)

Height:
<24”
Color:
Blue to purple
Flowering Period:
May – July
Light Requirement:

Full Sun
Moisture Requirement:

Moderate Moisture
Beautiful when planted in masses. Prefers early season moisture. Habitat: meadows to moist open slopes from foothills to mid-montane.
-
Showy penstemon (Penstemon speciosus)

Height:
<36”
Color:
Blue to purple
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial with showy flowers, 1-1.5” long. Habitat sagebrush prairies to ponderosa pine forests to subalpine.
-
Rocky Mountain penstemon (Penstemon strictus)

Height:
24-36”
Color:
Blue to purple
Flowering Period:
May-July
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Semi-evergreen perennial with tall stems and multiple showy flowers.
-
Alpine penstemon (Penstemon venustus)

Height:
<20”
Color:
blue
Flowering Period:
May – August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial with showy flower and foliage. Habitat: fairly good soil or rocky sites from forest to low meadows to subalpine.
-
Whipple’s penstemon (Penstemon whippleanus)

Height:
<24”
Color:
blue-purple to wine red
Flowering Period:
July to August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Perennial with showy flowers up to 1 inch.
-
Oregon Checkermallow (Sidalcea oregana)

Height:
<24”
Color:
Light pink
Flowering Period:
July to September
Light Requirement:

Full Sun / Partial Shade
Moisture Requirement:

Moderate Moisture
Perennial with flowers growing in spike. Host plant for butterflies. Eastern Cascade species growth habitat ranges from sagebrush steppe to seasonally wet meadows to ponderosa pine forests.
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Gooseberry leaved globemallow (Sphaeralcea grossulariifolia)

Height:
<12-30”
Color:
Orange
Flowering Period:
June-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Tap-rooted, short-lived (2-3 years) perennial with silvery foliage. Flowers on short, dense, terminal spikes.
-
Scarlet globemallow (Sphaeralcea munroana)

Height:
24-30”
Color:
orange
Flowering Period:
May-August
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Tap-rooted, perennial with grayish green foliage. Multiple flowers on long stems; long bloom period.
-
Showy townsendia (Townsendia florifer)

Height:
2-6”
Color:
White to pinkish white
Flowering Period:
June
Light Requirement:

Full Sun
Moisture Requirement:

Drought Tolerant
Short-lived perennial with several stems containing dense, short hairs. Flowers numerous.
