Leafy › Toxic plants › Hydrangea

Is Hydrangea (Hydrangea) Toxic to Cats & Dogs?

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Hydrangea is toxic to cats and dogs.
Severity : Moderately toxic
Who Safety
🐱 CatsToxic · Moderately toxic
🐶 DogsToxic · Moderately toxic
🧑 HumansToxic · Moderately toxic

Symptoms in pets

If a cat or dog chews or ingests Hydrangea, reported signs include:

Most affected parts: all parts, buds esp., flowers.

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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….

⚕️ Important: General reference information, not veterinary advice. If your pet has eaten Hydrangea, contact your vet or ASPCA Animal Poison Control (888-426-4435) right away.

Based on Leafy's botanical safety database (genus-level classification).

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