Is Buckeye toxic to dogs?

Yes. According to Plants4Pets, Buckeye is toxic to dogs. Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins This entry has not been manually verified yet — treat it as guidance only.

Is Buckeye toxic to horses?

Yes. According to Plants4Pets, Buckeye is toxic to horses. Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins This entry has not been manually verified yet — treat it as guidance only.

Which pets are most at risk from Buckeye?

Our database flags Buckeye as toxic to: cats, dogs, horses.

What should I do if my pet eats Buckeye?

Remove remaining plant material, do not induce vomiting unless a vet instructs you to, and seek professional help immediately with the plant name ready.

Is Buckeye toxic to cats, dogs? (Aesculus spp)

Buckeye (Aesculus spp) 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 Buckeye (Aesculus spp)

Buckeye (Aesculus spp) — plant photo, pet toxicity guide

Is Buckeye toxic to cats, dogs or horses?

Cat Toxic Not verified

Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins
Dog Toxic Not verified

Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins
Horse Toxic Not verified

Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins

Community confirmations show that other users find this rating helpful. They are not verified by our team.

Buckeye plant details and common names

Family: Hippocastanaceae

Also known as: Horse Chestnut

Safety advice if a pet eats Buckeye

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 Buckeye (Aesculus spp), 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: Buckeye and pet toxicity

Is Buckeye toxic to cats?: Yes. According to Plants4Pets, Buckeye is toxic to cats. Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins This entry has not been manually verified yet — treat it as guidance only.
Is Buckeye toxic to dogs?: Yes. According to Plants4Pets, Buckeye is toxic to dogs. Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins This entry has not been manually verified yet — treat it as guidance only.
Is Buckeye toxic to horses?: Yes. According to Plants4Pets, Buckeye is toxic to horses. Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly Toxic principles: Aesculin (a glycosidic saponin), other saponins This entry has not been manually verified yet — treat it as guidance only.
Which pets are most at risk from Buckeye?: Our database flags Buckeye as toxic to: cats, dogs, horses.
What should I do if my pet eats Buckeye?: Remove remaining plant material, do not induce vomiting unless a vet instructs you to, and seek professional help immediately with the plant name ready.

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Wrong toxicity for a cat, dog or horse
Missing or incorrect plant name
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Include the plant name (Aesculus spp), affected pet species and, if possible, a link to your source. We usually respond within a few business days.