Spherical blue flowerheads in mid and late summer with spiny grey-green leaves. Undemanding plants suitable for a large border or wild garden Also good for cutting and drying. Do best in full sun and well drained soil but will grow reasonably well...
A genus valued for their attractive foliage and long flowering period.
Thistle-like umbels of spherical or cylindrical, stalkless flowers on branching stems from mid summer into early autumn. The selection here perform best in dry, well drained, poor to moderately fertile soil in full sun.