Erysimum 'Red Jep' (Wallflower 'Red Jep')

Also known as 'Perennial Wallflower'. A vigorous, sub-shrubby, semi-evergreen perennial with narrow, lance-shaped, dark-green leaves. Bears redish-purple flowers in long racemes from mid-spring into summer. May lose some leaves in winter; in particularly harsh winters can lose all its leaves, but new growth will usually follow.