Perennial: Deciduous. Deer, drought, bog & clay tolerant. A sport of 'Halcyon'. The leaves hold up all season long until the "first frost." Has lavender bell-shaped blooms. Attracts butterflies & hummingbirds. Ground cover, container, & border plant. Foliage: powdery blue-green with a cream edge aging to pure white. Blooms: summer. Vigorous, clumping: 12-16" x 12-36". Flower stalk: 28 inches. Exposure: part shade/shade. Water: moderate/moist. USDA Z3.