Leafy › Toxic plants › Arborvitae

Is Arborvitae (Thuja) Toxic to Cats & Dogs?

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Arborvitae 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 Arborvitae, reported signs include:

Most affected parts: all parts, oil.

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Which Arborvitae plants does this cover?

This applies across the Thuja genus (29 species in our database), including: Libocedrus cretacea, Thuja australis, Thuja beverleyensis, Thuja californica, Thuja cupressoides, Thuja falcata, Thuja flagelliformis, Thuja garmani, Thuja gigantea, Thuja gracilis, Thuja incurva, Thuja interrupta….

⚕️ Important: General reference information, not veterinary advice. If your pet has eaten Arborvitae, 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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