Perennial: One of the best of the blues. Deciduous. Deer, drought, bog & clay tolerant. Has bell-shaped lavender blooms in summer. Attracts butterflies & hummers. Ground cover & border plant. Foliage: smooth, heart shaped gray blue. Leafs: 5" x 4". Clump forming & slow growing: 10-16" x 18-24". Flower stalk: 16". Part shade/shade. Water: moderate. USDA Z3.