Perennial: Deer resistant. Compact form of its larger namesake, 'Black Adder’ w/3x the flower power & better branching. Good border, cottage or container plant. Produces long lasting flower spikes over a long period. Foliage is scented like anise seed. Loved by butterflies & hummingbirds. Bloom time: summer-fall. Bloom color: deep violet blue. Height: 16-18". Width: 18-24". Exposure: sun. Water: moderate. USDA Z6. USPP# 26,514