Clump-forming perennial with spikes of pure white candle-like flowers all summer. Ht to 80cm. Prefers soil that does not dry out in sun or part shade.
Mat-forming perennial with short spikes of pure white flowers with the palest icy blue veining June-July. Ht 45cm. For soils that remain moist
Statuesque perennial wtih grey-green foliage. Tapering spikes of white flowers on erect stems June-Aug. Moist soil. Ht 90cm
