RHS 
Herbaceous Perennial
A clump-forming perennial to 60cm tall with finely-divided, greyish-green foliage. Dense, flattened clusters of tiny dark red flowers with white eyes are borne form summer into autumn; the deep red colour of this cultivar's flowers does not tend to fade with age
Position
Full sun
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.1-0.5 metres