Perennial Herb: Deciduous. Drought tolerant. Deer & gopher resistant. Excellent border, woodland, cut flower & rock garden plant. Attracts butterflies & hummingbirds. Cut back old stems for 2nd crop of flowers. Bloom time: spring-summer. Bloom color: blue. Height: 9-24". Exposure: sun/part shade. Water: moderate. USDA Z3. All Sunset zones.