RHS Herbaceous Perennial
A clump-forming perennial to about 30cm high, forming a mound of lobed, glossy leaves that are very dark purple, appearing almost black. Loose sprays of small pink flowers are held on slender stems above the foliage, over a long period from late spring to early autumn
Position
Full sun, Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres