Perennial: Drought tolerant. Deer resistant. Good cut flower, container, woodland, border and rock garden plant. Forms tiny blossoms in dense, narrow spikes that are abundant. Attracts bees, butterflies and hummingbirds. Bloom time: spring - summer. Bloom color: dark bluish purple. Height: 12 inches. Exposure: sun/part shade. Water: moderate. USDA Z3.