Perennial: Native to the south central United States (Texas) and Mexico. Vigorous and free-flowering. Drought tolerant. Deer resistant. Attracts hummingbirds, butterflies and bees. Excellent border, rock garden, pot, cut flower (fresh or dried) and edge plant. Dense 5-8" flower spikes. Bloom time: spring-fall. Bloom color: deep blue. Height: 18-24 inches. Width: 12-18 inches. Exposure: sun/part shade. Water: moderate/dry. USDA Z8.