Viola volante purple is a brand new trailing viola its spreading habit makes it ideal for summer containers including hanging baskets and windowboxes its beautiful deep purple flowers appear in profusion for months on end height 15cm 4063441 spread 30cm 40123441culinary information some parts of these flowers are edible the crystallised petals are great decorations for cakes and cookies or they can be added straight to green salads for an injection of colour for