Spiny, cobwebby leaves. Large globes of metallic, bright blue flowers. July to August. Ht.80cm.(2.5ft.). Grow in sun or part shade and well-drained, poor soil. Good for mid- to back of border, cutting, drying and bees and butterflies.
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RHS Chelsea Flower Show Gold Medallists
- 26 Gold Medals 1989 to 2019