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Are hyacinths toxic to cats?

Also called: hyacinths, Dutch hyacinth, garden hyacinth, Hyacinthus orientalis

Toxic

Toxins are concentrated in the bulbs; chewing them causes severe vomiting.

Yes. Hyacinths are toxic to cats, especially the bulbs. Chewing them can cause severe vomiting and diarrhoea, heavy drooling and burns to the mouth.

Signs to watch for

  • Intense vomiting, diarrhoea (sometimes with blood), depression and tremors.

Sources

  • Toxic and Non-toxic Plants: HyacinthASPCA Animal Poison Control · Read 9 October 2026
    Toxicity: Toxic to Dogs, Toxic to Cats, Toxic to Horses
    Clinical Signs: Intense vomiting, diarrhea, occassionally with blood, depression and tremors.
  • Top 10 toxic household plants for petsVCA Animal Hospitals · Read 9 October 2026
    The toxins in this spring-blooming perennial are concentrated in the roots and bulbs.
    Chewing on the bulbs can cause severe vomiting and diarrhea, profuse drooling and burns to the mouth.
  • Tulips & HyacinthsPet Poison Helpline · Read 9 October 2026
    Tulips and Hyacinths contain toxic plant alkaloids throughout the plant structure.
  • 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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