Black Locust

Black Locust

Pictured: Black Locust

Poisonous to: Cats, Dogs

Common signs to watch for:

  • Depression
  • Gastrointestinal upset
  • Diarrhea
  • Weakness
  • Trouble breathing
  • Kidney or liver damage
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The leaves of the black locust plant are toxic to pets. All parts of the plant contain poisons called toxalbumins (robin, phasin, and robitin), with the seeds containing the highest concentration of these toxins.

Poison type: plants