Tall Rattlesnakeroot

Prenanthes altissima L.

Aster family

Plant Type
Forb/herb
Life Cycle
Perennial
Mature Height
8.0 feet
Flower Color
Yellow, Green
Bloom Time
Mid Summer, Late Summer, Fall

Native Range

  • USA:  Alabama, Arkansas, Connecticut, Delaware, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia
  • CAN:  New Brunswick, Nova Scotia, Ontario, Prince Edward I., 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.