Perennial Herb: Aromatic leaves. Deer resistant. High resistance to mildew. Stems carry clusters of flowers that attract hummingbirds, butterflies and bees. If flowers are deadheaded, it will promote longer bloom times. Flowering time: summer-early fall. Bloom color: purple-pink. Height: 12-16". Spread: 20". Exposure: sun/light shade. Water: moderate. USDA Z4.