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Gardenia
Gardenia jasminoides
Gardenia (Gardenia jasminoides) is a fragrant flowering shrub often grown in pots or gardens. It is not considered one of the most dangerous plants for cats, but it can still cause mild poisoning if chewed or eaten. The main concern is a group of plant compounds called iridoid glycosides, including genipin and gardenoside. These compounds can irritate the digestive tract. In some cats, contact with the plant may also trigger skin irritation or hives. If a cat eats gardenia leaves, flowers, or fruit, possible signs include vomiting, diarrhea, mild lethargy, or a skin rash. The flowers may attract curious cats because of their scent. Keep gardenias out of easy reach, and contact a veterinarian if vomiting is repeated, diarrhea is strong, or a rash spreads.
Important Notes
Main hazard: Iridoid glycosides in the leaves, flowers, and fruit can irritate the digestive tract.
Symptoms: Vomiting, diarrhea, mild lethargy, hives, or a skin rash after contact.
Exposure risk: The strong fragrance and bright flowers may attract curious cats.
Action: Keep gardenias out of reach and call a vet if vomiting repeats, diarrhea is strong, or a rash spreads.
Potentially Toxic Parts
Leaf
Flower
Possible Symptoms Reported in Cats
Vomiting
Gastrointestinal
Diarrhea
Gastrointestinal
Hives (Urticaria) or Skin Rash
Dermal
Disclaimer: This summary was compiled from multiple sources and is for informational use only. It is not a diagnosis or treatment plan. Toxicity can vary based on the substance, amount, plant part, and individual cat. If you think your cat may have been exposed to a toxic substance, contact a veterinarian right away.