Erysimum "Bowles Mauve", Perennial Wallflower plant
Glorious silvery-green foliage with bright purple flowers all summer that the bees love on long stems. Will make a rounded shrub approx 1M high/wide. Dead-head spent flowers stalks for continued flowering until first frosts. Lives approx 3-5years before it needs replacing with fresh stock 
Supplied in a 4litre pot, garden or pot-ready