About Oleander toxicity

Oleander (Nerium oleander) 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.

Is Oleander toxic to cats, dogs or horses?

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

Oleander plant details and common names

Family: Apocynaceae

Also known as: Rose-Bay

Safety advice if a pet eats Oleander

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 Oleander (Nerium oleander), 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Found outdated or incorrect data?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: Oleander and pet toxicity

Is Oleander toxic to cats?
Yes. According to Plants4Pets, Oleander is toxic to cats. Drooling, abdominal pain, diarrhea, colic, depression, death Toxic principles: Cardiac glycosides This entry has not been manually verified yet — treat it as guidance only.
Is Oleander toxic to dogs?
Yes. According to Plants4Pets, Oleander is toxic to dogs. Drooling, abdominal pain, diarrhea, colic, depression, death Toxic principles: Cardiac glycosides This entry has not been manually verified yet — treat it as guidance only.
Is Oleander toxic to horses?
Yes. According to Plants4Pets, Oleander is toxic to horses. Drooling, abdominal pain, diarrhea, colic, depression, death Toxic principles: Cardiac glycosides This entry has not been manually verified yet — treat it as guidance only.
Which pets are most at risk from Oleander?
Our database flags Oleander as toxic to: cats, dogs, horses.
What should I do if my pet eats Oleander?
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 You can report wrong toxicity ratings, missing plants, outdated photos or spelling mistakes.

Plant
Nerium oleander / Oleander

Maximum 500 characters

Or send e-mail

Include the plant name (Nerium oleander), affected pet species and, if possible, a link to your source. We usually respond within a few business days.