Perennial: Drought, deer and heat tolerant. Great for borders. Foliage is sparse, great when planted in masses. Flower clusters are fragrant. Self-sows freely. Native to S. America. Attracts bees and butterflies. Also a good cut flower. Bloom time: spring-fall. Bloom color: violet purple. Height: 24-36 inches. Width: 12-24 inches. Exposure: sun. Water: moderate/dry. USDA Z8.