Position: partial to full shade
Soil: poor to moderately-fertile,humus-rich, moist but well-drained soil
Rate of growth: slow-growing
Flowering period: June to July
Hardiness: fully hardy
Providing attractive ground cover throughout the year, the slender, hairy leaves form loose clumps, which in midsummer are topped with tall stems carrying elegant clusters of white flowers. It self-seeds freely, so prompt dead-heading will be required if you want to keep the clump small.