Clump-forming hardy perennial with edible shoots, leaves and flowers. Superb species for garden borders with erect , branching stems bearing large loose trusses of milky blue open bell-shaped flowers in summer - a stunning sight. The flowers attract bees and butterflies and loook fantastic adorning cakes as well as in the vase. Part or full shade, dry or moist soil. Height 1.5-1.8m when in flower. 9cm pot.