RHS Herbaceous Perennial
A herbaceous perennial with purple-black stems, and whorls of shiny, deep green, oval leaves with distinct veining. From late spring to late summer produces hanging sprays of scented, white, tassel-like flowers above the leaves
Position
Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres