Can Cat Eat Hydrangea?
Also known as:
HortensiaHills of SnowSeven BarkHydrangea arborescens
Hydrangeas are toxic to cats due to the presence of cyanogenic glycosides.
DangerousPlant
Dangerous for Cats
This food is toxic to cats and should never be given to them.
While serious cyanide poisoning is rare from this plant, it more commonly causes significant gastrointestinal upset. Ingestion of the leaves or flowers can lead to vomiting, depression, and diarrhea.
Detailed Information
While serious cyanide poisoning is rare from this plant, it more commonly causes significant gastrointestinal upset. Ingestion of the leaves or flowers can lead to vomiting, depression, and diarrhea.
Potential Risks
- Toxic to cats
- May cause digestive upset
Recommendations
Keep hydrangeas away from your cat to prevent illness. If you suspect your cat has eaten part of the plant, contact your veterinarian for advice.
Veterinary Advice
Avoid completely. Contact your veterinarian immediately if consumed.
Quick Facts
Safety LevelDangerous
CategoryPlant
Last Updated7/24/2025
Sources
- ASPCA Animal Poison Control Center
- Veterinary Nutritionist Guidelines
- Pet Food Safety Research
Emergency Information
If your cat has consumed hydrangea, contact your veterinarian or pet poison control immediately.
ASPCA Animal Poison Control: (888) 426-4435
Pet Poison Helpline: (855) 764-7661