Description
Small, clump-forming, bushy deciduous perennial (H 40-60 cm, W 40 cm). Leaves broadly lanceolate to heart-shaped (15-20 cm), longitudinaly ribbed, hard, light blue-grey. Flowers in clusters on upright stems, simple (2 cm), light violet. Flowering period: July-August. A good ground-covering perennial for shade and semi-shade, needs nutrient-rich and always moist soils.