Erysimum 'Chelsea Jacket'
 Small and short-lived Erysimum 'Chelsea Jacket' is a perennial cultivar of Erysimum cheiri usually grown for its long-lasting and brightly coloured flowers. It is closely related to Cheiranthus. This plant has been given an RHS Award of Garden Merit. Normal height is about 30 cm prostrate habit.The plant flourishes in full sun and well-drained soil and is fairly hardy. It flowers continually from late spring to late summer.