Perennial: Deer resistant. Bog tolerant. Clump forming border plant with dark purple foliage. Great with shrubs & behind perennials in a woodland setting. Bloom time: late summer/early fall. Color: purple buds open to creamy white astilbe-like fragrant flowers. Size: 4-6' (with flowers) x 2-4'. Exposure: part shade/shade. Water: moist. USDA Z4.