Perennial Herb or Shrub: Deer and rabbit resistant. Heat tolerant. Loved by hummingbirds, butterflies and bees. Native to southwestern US. Bloom color: lilac-violet flowers w/ contrasting black calyces and stems. Size: 24-30" x 18-24". Prefers full sun and moist well-drained to dry soil. Water: moderate. USDA Z7.