Description
Medium-sized, clump-forming, bushy deciduous perennial (H 50-70 cm, W 60-70 cm). Leaves broadly egg-shaped to heart-shaped (20-25 cm), longitudinaly ribbed, hard, grey-blue to grey-green. Flowers in clusters on upright stems, simple (2 cm), light violet. Flowering period: June-July. A good ground-covering perennial for shade and semi-shade, needs nutrient-rich and always moist soils.