Dense heads of purple bell-shaped flowers appear in Summer. Tough and easy to grow garden plant, well suited to a cottage garden or herbaceous border. Height 45 cm. Spread 60 cm.
Compact, erect, clump-forming perennial with linear dark green pointed leaves. Slender racemes of tubular purple-blue flowers in Summer. Butterflies love this! Height 45 cm. Spread 45 cm.