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Erysimum arenicola
Also called Sierra wallflower, Sand Dwelling Wallflower
Cascade wallflower (Erysimum arenicola) is a small native perennial herb of high-elevation mountain sites in the Pacific Northwest, growing up to about 30 cm tall with yellow flowers. It suits rock gardens and sandy, free-draining spots in cool climates.
Erysimum arenicola, the Cascade wallflower, is a plant species native to British Columbia, Washington and Oregon. It is found at high elevations from 900 to 2200 m in the Cascade and Olympic Mountains as well as on Vancouver Island.
Erysimum arenicola is a perennial herb up to 30 cm tall. Leaves are narrow, up to 8 cm long. Flowers are yellow, borne in a raceme. Fruits are narrow and elongated, up to 10 cm long, straight or twisted, strongly torulose (= much narrower in between seeds) giving a lumpy appearance along the length of the mature fruit (silique).
Coast wallflower · Western wallflower · Erysimum baeticum · Cape Verde Wallflower · Erysimum canescens · Sanddune wallflower · Erysimum cazorlense · Wormseed wallflower · Wallflower · Erysimum collinum · Erysimum crepidifolium · Bent Treacle Mustard
Text excerpted from the Wikipedia article Erysimum arenicola by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
