Erysimum
wallflower
6 species
1 subspecies and varieties
1 subspecies and varieties
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Erysimum arenicola – sand-dwelling wallflower
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon.
Habitat: Open ridges and rock crevices, middle elevations to the alpine.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon.
Habitat: Open ridges and rock crevices, middle elevations to the alpine.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Erysimum capitatum – sand dune wallflower
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the southern Great Plains, and the midwestern and mid-Atlantic U.S.
Habitat: Often in sandy soil, from sagebrush desert plains to alpine meadows.
Origin: Native
Flowers: May-August
Growth Duration: Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the southern Great Plains, and the midwestern and mid-Atlantic U.S.
Habitat: Often in sandy soil, from sagebrush desert plains to alpine meadows.
Origin: Native
Flowers: May-August
Growth Duration: Biennial, Perennial
• var. capitatum – prairie rocket, rough wallflower
Erysimum cheiranthoides – treacle mustard, wormseed wallflower
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Disturbed areas including fields, roadsides and wastelots, often where moist.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Disturbed areas including fields, roadsides and wastelots, often where moist.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Annual
Erysimum cheiri – Aegean wallflower
Distribution: Occurring west of the Cascades crest in Washington; Yukon Territory to California, and in scattered locations in eastern North America.
Habitat: Disturbed areas, often escaped from cultivation.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; Yukon Territory to California, and in scattered locations in eastern North America.
Habitat: Disturbed areas, often escaped from cultivation.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial
Erysimum occidentale – pale wallflower, western wallflower
Distribution: Occurring east of the Cascades crest in Washington; northern Washington to eastern Oregon.
Habitat: Sagebrush hills and valleys.
Origin: Native
Flowers: March-May
Growth Duration: Biennial, Perennial
Distribution: Occurring east of the Cascades crest in Washington; northern Washington to eastern Oregon.
Habitat: Sagebrush hills and valleys.
Origin: Native
Flowers: March-May
Growth Duration: Biennial, Perennial
Erysimum repandum – spreading wallflower
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Wasteland in dry areas, plains and lower mountains.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Wasteland in dry areas, plains and lower mountains.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Annual
