Herbaceous Perennial
A compact, clump-forming perennial to 90cm tall, with stiff, spiny leaves, dark green above and downy white beneath. In summer, blue spherical flowerheads appear, and flowering may be repeated in autumn. Good for cutting
Position
Full sun, Partial shade
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres