European Wallflower, Siberian Wallflower


Scientific Name: Erysimum hieraciifolium L.
Synonym: Erysimum strictum, Erysimum virgatum
Family: Brassicaceae
Recommended Temperature Zone:
Sunset®: All zones
USDA: 7-9

Sun Exposure: Full sun to part sun

Origin: Europe

Growth Habits: Biennial or short-lived perennial, 6 to 18 inches tall (15-45 cm), depending on variety.

Watering Needs: Moderate water, prefers slightly alkaline soils, tolerates poor soils

Propagation: Seeds in summer, cover the seeds lightly

Sometimes encountered as Cheiranthus allionii, an hybrid, of possibly Erysimum capitatum x Erysimum hieraciifolium

Blooming Habits:
Abundant yellow to orange flowers in terminal racemes in spring.

Culture:
Plant 8 to 12 inches apart (20-30 cm).


 

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