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Is Garden Hyacinth toxic to cats?

YES (TOXIC)
Unfortunately, Garden Hyacinth is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Hyacinth
Scientific Name:Hyacinthus orientalis
Family:Liliaceae
Toxic Principles:Narcissus like alkaloids
Clinical Signs:Vomiting, diarrhea, dermatitis and allergic reactions. Bulbs contain highest amount of toxin.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Garden Hyacinth Toxic to Cats?

Garden hyacinth (Hyacinthus orientalis) is a popular bulb plant for its beautiful fragrant flowers that come in bright colors like blue, pink, and purple. It is easy to grow, requires low maintenance and is commonly used to add color to gardens and indoor spaces. However, questions arise about its safety around pets, especially cats. In this article, we will discuss the toxicity of garden hyacinth to cats and the potential risks it poses.

What are the toxic compounds present in garden hyacinth?

The toxicity of garden hyacinth is mainly attributed to the presence of alkaloids such as lycorine and its derivatives, which are mainly concentrated in the bulb, but can also be found in other parts of the plant such as the leaves, stems, and flowers in smaller amounts. These alkaloids act as a natural defense mechanism against herbivores.

Cats are particularly sensitive to lycorine and exposure to this and other alkaloids can cause gastrointestinal upset, vomiting, diarrhea, and abdominal pain. In severe cases, it can lead to more serious complications like depression, anorexia, tremors, and seizures.

What are the signs of garden hyacinth toxicity in cats?

The signs of garden hyacinth toxicity in cats can vary depending on the amount of exposure, the part of the plant ingested, and the individual cat's sensitivity. Some of the most common signs of garden hyacinth toxicity in cats include:

  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Loss of appetite
  • Lethargy
  • Tremors
  • Seizures

If you suspect that your cat has ingested garden hyacinth or any other toxic plant, it's important to seek veterinary care immediately. Early intervention can help prevent further complications and ensure a good outcome.

How can I prevent garden hyacinth toxicity in cats?

The best way to prevent garden hyacinth toxicity in cats is to avoid exposing them to the plant. If you have a garden or indoor plants, make sure to keep them out of your cat's reach. Ensure that your cat has access to plenty of water and a well-balanced diet as this can help reduce their curiosity for unsuitable plants.

If you suspect that your cat has ingested garden hyacinth or any other toxic plant, consult your veterinarian promptly. Your veterinarian can provide supportive care to manage your cat's symptoms and recommend the appropriate treatment plan.

Conclusion

Garden hyacinth can be a beautiful addition to your garden or indoor space. However, it's crucial to recognize the potential risks it poses to our feline friends. The alkaloids present in garden hyacinth are toxic and can cause severe gastrointestinal distress, as well as more serious complications like seizures. If you have cats or any other pets, it's essential to keep them away from this plant and other toxic plants. If you suspect that your cat has ingested garden hyacinth, seek veterinary care promptly. With the right treatment, most cats can make a full recovery.

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