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 lilac- blue open bell-shaped flowers in summer – a stunning sight. The flowers attract bees and butterflies and look 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. Certified organic plant in 9cm pot.