Clump-forming, mounded perennial. Large, heart-shaped leaves are heavily puckered and deep gray-green. Lavender bell-shaped flowers bloom in summer on tall stalks from the center of the plant.
Provide slightly acidic, evenly moist, well-drained, humusy soil. Avoid harsh sun exposures. Water deeply, regularly in first growing season to establish an extensive root system; once established, reduce frequency. Remove old, faded foliage before new leaves emerge in early spring.Pruning time: divide every 2 to 3 years in early spring..