Is Lily of the Valley Toxic to Horses?
Yes — lily of the valley is toxic to horses and can be fatal.
PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.
Symptoms to watch for
- Vomiting
- Diarrhea
- Drooling
- Slow, fast or irregular heartbeat
- Weakness
- Collapse; can be fatal
Toxic parts
All parts
Toxic compound
Cardiac glycosides
What to do now
- Call your vet or a pet poison control line immediately — don't wait for symptoms.
- Do not induce vomiting unless a vet tells you to.
- Bring the plant, label or packaging with you so the vet knows exactly what your horse ate.
- Note roughly how much was eaten and when.
Good to know
Small amounts can disturb the heart rhythm. Treat any ingestion as an emergency.
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Frequently asked questions
Is lily of the valley toxic to horses?
Yes — lily of the valley is toxic to horses and can be fatal. Small amounts can disturb the heart rhythm. Treat any ingestion as an emergency.
What are the symptoms of lily of the valley poisoning in horses?
Vomiting. Diarrhea. Drooling. Slow, fast or irregular heartbeat. Weakness. Collapse; can be fatal.
What should I do if my horse ate lily of the valley?
Call your vet or a pet poison control line immediately — don't wait for symptoms. Do not induce vomiting unless a vet tells you to. Bring the plant, label or packaging with you so the vet knows exactly what your horse ate. Note roughly how much was eaten and when.
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