A vigorous perennial with deep green leaves and whorls of white flowers in dense upright spikes. Good for ground cover in sun, but needs moist soil.
A vigorous perennial with deep green leaves and whorls of white flowers in dense upright spikes. Good for ground cover in sun, but needs moist soil.
| Aspect | Sun or part shade | 
| Flower Colour | White | 
| Flowering Period | Jun | Jul | Aug | 
| Foliage | Not evergreen | 
| Goes Well With | Astilbe, Iris, Trollius | 
| Growth Habit | Spreading | 
| Hardiness | Fully hardy | 
| Height | 20cm | 
| Soil | Moisture-retentive | 
| Spread | 60cm | 
