This grower is sure of this plant identification.
Strong bushing plants will form a mound of colour right through the autumn to the first frosts. Mine are still covered in flowers in December!
Wallflower, Blister cress
Erysimum ‘Bowles Mauve’ (Wallflower). Vigorous, sub-shrubby evergreen perennial with narrowly lance-shaped grey-green leaves. Bears mauve flowers in long racemes from mid-spring to early summer.
They are fully to frost hardy and will need sun and well drained soil.
Grown for their flowers. Suitable for borders, banks and rock gardens.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record