Perennial: One of the best blues. Deciduous. Deer, drought, bog & clay tolerant. Good slug resistance. Has white to pale lavender bell-shaped blooms in summer. Attracts butterflies & hummers. Ground cover, pot & border plant. Foliage: frosted blue-green. Leaf: 8" x 5". Vigorous, clumping: 1-3' x 2-3'. Flowers: 2'. Pt shd/shade. Water: moderate. USDA Z3.