100+ small seeds per packet. A clump-forming, perennial species in the Saxifrage family, native to North America. Rounded foliage and upright spikes of greenish, cup-shaped flowers with beautifully delicate, fringed petals that turn a vivid pink with age. Flowering May to June. Height 60 to 80 cm. Well-drained, moisture retentive soil in light shade. Cold germinator.