White Snakeroot (Ageratina altisima)



     White Snakeroot is a native, perennial wildflower. It grows up to three feet tall. It has small fuzzy white flower heads composed of disk flowers. It has serrated leaves in whorls of three or four. The leaves are two to six inches long with ragged edges and pointed tops. It prefers full sun in dry to moist soil, but it has a high drought tolerance. It can be found along deciduous woodland edges. (SF)