About Winterberry toxicity
Winterberry (Ilex opaca) is marked as potentially toxic to cats, dogs, horses in the Plants4Pets database. Keep this plant out of reach of curious pets and read the species-specific notes below.
Photos of Winterberry (Ilex opaca)
Is Winterberry toxic to cats, dogs or horses?
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Cat Toxic Not verified
Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins
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Dog Toxic Not verified
Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins
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Horse Toxic Not verified
Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins
Community confirmations show that other users find this rating helpful. They are not verified by our team.
Winterberry plant details and common names
Family: Aquifoliaceae
Also known as: English Holly, European Holly, Oregon Holly, Inkberry, American Holly
Safety advice if a pet eats Winterberry
Many popular houseplants and garden species can cause vomiting, drooling, skin irritation or more serious symptoms when chewed by cats, dogs or horses. The information on this page is for educational purposes and does not replace a veterinary consultation.
If your pet has eaten any part of Winterberry (Ilex opaca), note the amount ingested, watch for unusual behaviour and contact a veterinarian or pet poison helpline immediately.
Found outdated or incorrect data? Use the report form below or e-mail kontakt@plants4pets.pl with the plant name, species affected and your source — we review every submission.
FAQ: Winterberry and pet toxicity
- Is Winterberry toxic to cats?
- Yes. According to Plants4Pets, Winterberry is toxic to cats. Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins This entry has not been manually verified yet — treat it as guidance only.
- Is Winterberry toxic to dogs?
- Yes. According to Plants4Pets, Winterberry is toxic to dogs. Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins This entry has not been manually verified yet — treat it as guidance only.
- Is Winterberry toxic to horses?
- Yes. According to Plants4Pets, Winterberry is toxic to horses. Vomiting, diarrhea and depression. Leaves and berries are low toxicity. Toxic principles: saponins This entry has not been manually verified yet — treat it as guidance only.
- Which pets are most at risk from Winterberry?
- Our database flags Winterberry as toxic to: cats, dogs, horses.
- What should I do if my pet eats Winterberry?
- Remove remaining plant material, do not induce vomiting unless a vet instructs you to, and seek professional help immediately with the plant name ready.
Report an error or missing data
Help us keep this page accurate. You can report wrong toxicity ratings, missing plants, outdated photos or spelling mistakes.
- Wrong toxicity for a cat, dog or horse
- Missing or incorrect plant name
- Better photo or source link
- Additional veterinary or botanical reference
Include the plant name (Ilex opaca), affected pet species and, if possible, a link to your source. We usually respond within a few business days.