Poison Ivy

Scientific Name

Toxicodendron radicans

Common Name

Poison ivy


Outdoor plant, weed

Toxicity: 1-3

Exposure to juice or sap from these plants or a puncture wound from the thorns may produce a skin rash or irritation. Ingestion may cause minor symptoms such as rash, vomiting or diarrhea. Ingestion in large amounts can cause serious effects.

Toxic Parts

All parts. Also, smoke from burning plants can cause serious allergic reactions.


  • Hairy, climbing vines or shrubs with reddish stems
  • Pointed leaflets in groups of three
  • Small, greenish flowers in bunches
  • Clusters of grayish-white berries


The list of poisonous plants on this web site does not necessarily include every poisonous plant that is known or that might be found in a home or yard. The University of Kansas Hospital does not advise eating any of the plants on this web site. We discourage the use of any of these plants for self medication. The information on this site is taken from the literature, and the degree of reliability is unknown. In case of accidental exposure or ingestion, contact the Poison Center 1-800-222-1222.