Bull Nettle, Horse Nettle, Apple of Sodom or Radical Weed

Scientific Name

Solanum carolinense

Common Name

Bull nettle, horse nettle, apple of Sodom, radical weed


Outdoor plant, weed

Toxicity: 1-2

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.

Toxic Parts

All parts


  • Oval-shaped leaves alternate on stems.
  • Leaves and stems are covered with fine hairs.
  • Five-petal flowers are usually white or purple with yellow centers.
  • Seed-filled, dark green berries with light green stripes turn yellow and wrinkle as they mature.


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.