Erysimum x allionii
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Common Name: Siberian Wallflower
Erysimum x allionii is a perennial plant that can grow up to 0.30 metres tall.
It has uses.
A hybrid species of garden origin.
Not known in a truly wild situation.
Prefers a position in full sun in a circumneutral soil[
]. Succeeds in ordinary garden soils, tolerating poor soils[
]. Plants are liable to die out if the soil is too rich[
This species currently does not have a legitimate name(1999), it is a hybrid of garden origin, possibly E. capitatum x E. hieraciifolium.
A perennial, it is usually grown as a biennial in the flower garden for spring and early summer bedding. A very ornamental plant, it is liable to die out after flowering, probably because it exhausts itself[
A good butterfly plant[
Seed - sow late spring in an outdoor seedbed. The seed usually germinates in 1 - 3 weeks[
]. Transplant into their permanent positions in late summer. The taproot can be broken in order to encourage fibrous roots.