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Can dogs and cats eat castor bean plant?

Compare the dog and cat answers together, then open the full guide for the pet you are asking about.

One food, two pets

What changes between dogs and cats?

Dogs and cats both have a emergency verdict.

Use the column for the pet you are asking about, then open the full guide for its complete source notes.

    Emergency

    Castor Bean Plant safety for dogs

    The castor bean plant is highly toxic to dogs, especially its seeds. Ricin exposure can damage the digestive, kidney, nervous, and respiratory systems.

    Toxic principle: ricin

    Watch for

    • mouth and throat irritation
    • vomiting
    • bloody diarrhea
    • weakness
    • kidney failure
    • seizures
    • difficulty breathing

    Sources

    Reviewed 2026-07-28

    Open the complete dogs guide
    Emergency

    Castor Bean Plant safety for cats

    The castor bean plant is highly toxic to cats, especially its seeds. Ricin exposure can damage the digestive, kidney, nervous, and respiratory systems.

    Toxic principle: ricin

    Watch for

    • mouth and throat irritation
    • vomiting
    • bloody diarrhea
    • weakness
    • kidney failure
    • seizures
    • difficulty breathing

    Sources

    Reviewed 2026-07-28

    Open the complete cats guide

    This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

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    Read our methodology for how every verdict is sourced and reviewed.