Perennial: Native to the south-central United States, such as Texas & New Mexico. Vigorous and free-flowering. Drought tolerant. Deer resistant. Attracts hummingbirds, butterflies and bees. Excellent border, rock garden, pot and edge plant. Bloom time: spring-fall. Bloom color: dark violet-blue w/white eye. Height: 12-24". Width: 12-24". Exposure: sun/part shade. Water: moderate/dry. USDA Z8.