Western Poison Ivy

Toxicodendron rydbergii (Small ex Rydb.) Greene - Sumac family

Size

Mature Height: Up to around 10.0 feet

Plant Type: Shrub, Forb/herb, Subshrub, Vine

Features

Flower Color: White, Yellow

Bloom Time: Mid Spring, Late Spring

Conditions

Shade Tolerance: Tolerant

Native Range

  • CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan, Yukon
  • USA:  Arizona, Connecticut, Idaho, Illinois, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Dakota, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • MEX:  Mexico Northeast, Mexico Northwest
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.