Perennial for sun, mostly sun, mostly shade in zone 4a-8b. White flowers. Up to 5 x 3 feet Also known as Eupatorium rugosum 'Chocolate', Chocolate Joe Pye Weed, Chocolate Snakeroot.
Details on Ageratina altissima 'Chocolate' at plantlust.com
photo by Secret Garden Growers. Foliage photo by Karl Gercens, III.
