Perennial Subshrub: Deciduous. Drought, deer and coast tolerant. This improved compact & sturdy British introduction forms a bushy mound of fragrant grey-green leaves w/ spike-like clusters of flowers. Great for smaller gardens, borders & mixed containers. Combines nicely with lavenders. Attracts butterflies. Bloom time: summer-fall. Bloom color: lavender blue. Height: 18". Width: 24". Exposure: sun. Water: moderate. USDA Z4. (PP#20,845)