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Flowers & Plants

Can dogs eat hydrangea?

Toxic

Hydrangea safety for dogs

Hydrangeas are toxic to dogs. Ingestion most often causes vomiting, depression, and diarrhea.

Toxic principle: cyanogenic glycoside

Watch for

  • vomiting
  • depression
  • diarrhea

Sources

Reviewed 2026-07-28

Frequently asked questions

Can dogs eat hydrangea?

Hydrangeas are toxic to dogs. Ingestion most often causes vomiting, depression, and diarrhea.

What should I do if my dog ate hydrangea?

Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately. Do not wait for symptoms to appear before calling.

What symptoms should I watch for with hydrangea and dogs?

vomiting, depression, diarrhea. If you notice any of these, contact your veterinarian.

This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

Read our methodology for how every dog food verdict is sourced and reviewed.