Erysimum is a long
blooming but short lived perennial. In mild gardening areas if you
keep the flower stalks cut off as they start to go to seed, Erysimum
linifolium variegatum will just keep producing more flowers almost
continuously all year long. The Variegated Wall Flower grows
18"tall and wide in full
sun to light shade. Once established Erysimum linifolium variegatum
is drought tolerant. The Variegated Wall Flower is Winter hardy to
the low teens.