Leafy › Toxic plants › Hydrangea
Is Hydrangea (Hydrangea) Toxic to Cats & Dogs?
📷 Frank Ashwood · CC BY 4.0 · GBIF/iNaturalist
| Who | Safety |
|---|---|
| 🐱 Cats | Moderately toxic |
| 🐶 Dogs | Moderately toxic |
| 🧑 Humans | Moderately toxic |
Symptoms in pets
If a cat or dog chews or ingests Hydrangea, reported signs include:
- depression
- diarrhea
- lethargy
- vomiting
Most affected parts: all parts, buds esp., flowers.
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Download Leafy →Which Hydrangea plants does this cover?
This applies across the Hydrangea genus (101 species in our database), including: Hydrangea acuminata, Hydrangea agricola, Hydrangea albostellata, Hydrangea alternifolia, Hydrangea amagiana, Hydrangea amamiohsimensis, Hydrangea ampla, Hydrangea anomala, Hydrangea arborea, Hydrangea arborescens, Hydrangea arguta, Hydrangea aspera….
Based on Leafy's botanical safety database (genus-level classification).