Is Hydrangea Toxic to Horses?
Yes — hydrangea is mildly toxic to horses.
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
- Reduced appetite
Toxic parts
Leaves, buds and flowers
Toxic compound
Cyanogenic glycoside (amygdalin)
What to do now
- Remove any plant material from your horse's mouth and keep it out of reach.
- Gently rinse the mouth and offer fresh water.
- Call your vet if symptoms persist, get worse, or your horse is small, young or elderly.
Good to know
Pets rarely eat enough hydrangea for serious problems, but vomiting, diarrhea and lethargy are common after chewing.
Is your pet covered for emergency vet bills?
Compare pet insurance quotes →
Pet-safe alternatives
Frequently asked questions
Is hydrangea toxic to horses?
Yes — hydrangea is mildly toxic to horses. Pets rarely eat enough hydrangea for serious problems, but vomiting, diarrhea and lethargy are common after chewing.
What are the symptoms of hydrangea poisoning in horses?
Vomiting. Diarrhea. Drooling. Reduced appetite.
What should I do if my horse ate hydrangea?
Remove any plant material from your horse's mouth and keep it out of reach. Gently rinse the mouth and offer fresh water. Call your vet if symptoms persist, get worse, or your horse is small, young or elderly.
Related guides
Related items
More about hydrangea
- Is hydrangea toxic to cats? — Mildly toxic
- Is hydrangea toxic to dogs? — Mildly toxic
- Is hydrangea toxic to pets? (all species)
Free printable: 25 pet-safe houseplants + emergency numbers
We only use your email to send the list and occasional pet-safety tips. Unsubscribe anytime. Privacy policy