Perennial: Bushy eastern N. America native. Border plant, attracts bees & butterflies, good cut flower, woodland & naturalizing plant. Great fall color! Blooms: summer-fall, fluffy white heads. Size: 2-5' x 3'. Part shade (full sun in cool climates is ok). Water: moderate/moist. USDA Z3. (syn. AGERATINA altissima 'Chocolate')