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Erysimum diffusum is a Biennial/Perennial up to 1.20 metres tall.
It is harvested from the wild for local use as a medicine..
Europe. A casual in Britain.
Prefers a position in full sun in a circumneutral soil. Succeeds in ordinary garden soils, tolerating poor and dry soils.
The plant is cardiac[
Seed - sow spring or late summer in situ. Germination should take place within 3 weeks.