Hydrangea
Hydrangea macrophylla
Dogs: Mild
Cats: Mild
Plant Information
Hortensia, Hills of Snow
Hydrangeaceae
garden
Mildly Toxic
Toxicity Details
leaves, flower buds
Cyanogenic glycosides (hydrangin)
2-6 hours
mild
Symptoms to Watch For
- Vomiting
- Diarrhea
- Lethargy
- Depression
What to Do
Monitor at home for mild cases. Large ingestion is unlikely due to bitter taste. See vet if symptoms persist.
About Hydrangea
Hydrangeas contain small amounts of cyanogenic glycosides but serious poisoning is rare — pets would need to eat very large quantities. The bitter taste deters most animals from eating enough to cause serious harm.
Safe Alternatives
These plants provide a similar look but are non-toxic to pets: