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Is Arborvitae (Thuja) Toxic to Cats & Dogs?
📷 Marek Hrušovský · CC BY 4.0 · GBIF/iNaturalist
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Arborvitae is toxic to cats and dogs.
Severity : Moderately toxic
| Who | Safety |
|---|---|
| 🐱 Cats | Moderately toxic |
| 🐶 Dogs | Moderately toxic |
| 🧑 Humans | Moderately toxic |
Symptoms in pets
If a cat or dog chews or ingests Arborvitae, reported signs include:
- GI irritation
- liver/kidney effects at high dose
Most affected parts: all parts, oil.
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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 a pet poison control center right away.
Based on Leafy's botanical safety database (genus-level classification).