Can Dogs Eat Hydrangea?

No — Hydrangea is toxic to dogs

Dogs should not eat or chew on Hydrangea (Hydrangea macrophylla). It contains cyanogenic glycosides (hydrangin) which can cause vomiting, diarrhea, lethargy in dogs.

What Happens if a Dog Eats Hydrangea?

Symptoms typically appear within 2-6 hours:

  • Vomiting
  • Diarrhea
  • Lethargy
  • Depression

My Dog Ate Hydrangea — What Should I Do?

Monitor at home for mild cases. Large ingestion is unlikely due to bitter taste. See vet if symptoms persist.

Key Facts About Hydrangea and Dogs

No — mild toxicity

No — mild toxicity

leaves

Hydrangea macrophylla

Safe Alternatives for Dog Owners

If you love the look of Hydrangea, consider these dog-safe alternatives:

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline, Merck Veterinary Manual. View full Hydrangea profile.