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Rhododendron or Azalea

High Risk
Also Known As:
Rhododendron, Azalea


Rhododendron is a genus of flowering shrubs with more than 1,000 species, including azaleas. Most of the plants have showy flowers.

Outdoor plant

Toxicity: (3-4)
Note: Toxicity scale ranges from minor harm to most poisonous (1-4)

  • Ingestion in large amounts can cause serious effects.
  • These plants are known to cause problems in animals.

Toxic Parts:
All parts, especially leaves

Call the 24-Hour Poison Help Line for Additional Support:


Additional Information


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.