Perennial: Deciduous. Deer, drought, bog and clay tolerant. Produces slightly bell-shaped pale lilac blooms in summer. Attracts butterflies & hummers. Ground cover or border plant. Foliage: rounded heart shaped, deeply puckered gray blue. Leaf size: 16" x 12". Clumping: 36" x 30". Exposure: sun/shade. Water: moderate. USDA Z3.