Shrub: Drought and clay tolerant. Deer and gopher resistant. Semi-evergreen to deciduous border plant. Leaves are green on top with white felt underneath. Fragrant deep purple cone-like flowers attract butterflies & hummingbirds. Nice cut flower. Bloom time: summer-fall. Growth: 15' x 15'. Exposure: sun/part shade. Water: moderate. USDA Z5-9.