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Is kalanchoe toxic to cats?

Also called: mother of millions, Mother-In-Law-Plant, Devils Backbone, Chandelier Plant, Mother of Millions, Kalanchoe

Toxic

Contains substances that affect the heart; usually causes stomach upset.

Yes. Kalanchoe is toxic to cats. It usually causes vomiting and diarrhoea, and it contains substances that can affect the heart, especially after a large amount.

Signs to watch for

  • Vomiting and diarrhoea; rarely, an abnormal heart rhythm.

Sources

  • Toxic and Non-toxic Plants: KalanchoeASPCA Animal Poison Control · Read 9 October 2026
    Toxicity: Toxic to Dogs, Toxic to Cats
    Clinical Signs: Vomiting, diarrhea, abnormal heart rhythm (rare).
  • Plants That are Toxic to CatsVCA Animal Hospitals · Read 9 October 2026
    Unfortunately, they contain toxic substances that affect the heart.
    If a large amount of this plant is ingested, heart and nervous system signs may also develop within a few hours.
  • List of Things Toxic to CatsPet Poison Helpline · Read 9 October 2026
    Other plants that are toxic to cats include cyclamen, Kalanchoe species, Dieffenbachia species, daffodils, and Lily of the Valley.
  • Cats and poisonsInternational Cat Care · Read 9 October 2026
    If you’re concerned your cat has come into contact with any of the substances listed, contact your veterinary team immediately

Information from ASPCA Animal Poison Control, VCA Animal Hospitals, Pet Poison Helpline and International Cat CareSources checked 9 October 2026

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