White Snakeroot

Ageratina altissima (L.) R.M. King & H. Rob. - Aster family

Size

Mature Height: Up to around 4.0 feet

Plant Type: Forb/herb

Features

Flower Color: White

Bloom Time: Early Summer, Mid Summer, Late Summer, Fall

Conditions

Shade Tolerance: Intermediate

Ecosystem Interactions

Pollinators: Native Bees; Honey Bees; Beetles, Wasps, Flies; Larval Host (Moth)

Larval Species depending on White Snakeroot: Haploa clymene, Leucospilapteryx venustella, Melanchra adjuncta, Samia cynthia cynthia

Native Range

  • USA:  Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin
  • CAN:  New Brunswick, Northwest Territorie, Nova Scotia, Ontario, Québec
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.