A clump forming perennial with long, evergreen leaves. Height 60cm. Heads of mid blue flowers are produced in late summer and early autumn. Needs full sun in a fertile soil. May need winter protection.
A clump forming perennial with long, green leaves. Height 75cm. Large heads of blue flowers, striped dark blue, open from purple buds in July and August. Very free flowering. Needs full sun in a fertile soil.
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