Perennial: Drought & clay tolerant. Deer resistant. Unique “shingled” buds grow into showy flowers that are unusually lacy, giving them an exquisitely delicate appearance. The centers are reddish. Good cut & dried flower, border & rock garden plant. Attracts bees & butterflies. Bloom time: spring-summer. Bloom color: amethyst purple. Size: 1.5-2' x 1.5-2'. Exposure: sun. Water: moderate/dry. USDA Z3. USPP#20,781.