Pet safety
Is Japanese Arborvitae toxic to dogs?
Thuja standishii
No — japanese arborvitae is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Thuja standishii is not individually listed by the ASPCA, but arborvitae species (Thuja genus) are not classified as toxic to cats, dogs, or horses on ASPCA toxic plant lists. Foliage contains low levels of thujone, but ASPCA does not flag the genus as toxic. Considered pet-safe; monitor pets if large quantities are ingested and consult a vet if symptoms arise.
Is japanese arborvitae toxic to dogs? — FAQ
Is japanese arborvitae toxic to dogs?
No — japanese arborvitae is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. Thuja standishii is not individually listed by the ASPCA, but arborvitae species (Thuja genus) are not classified as toxic to cats, dogs, or horses on ASPCA toxic plant lists. Foliage contains low levels of thujone, but ASPCA does not flag the genus as toxic. Considered pet-safe; monitor pets if large quantities are ingested and consult a vet if symptoms arise.
Is japanese arborvitae safe for dogs?
Yes — the ASPCA lists japanese arborvitae as non-toxic to dogs and dogs. A dog that chews a large amount of any foliage can still get a mild, brief stomach upset, so discourage grazing, but it will not be poisoned.
Is japanese arborvitae toxic to cats too?
The ASPCA classification Growli uses applies to both cats and dogs: Japanese Arborvitae is non-toxic to cats as well. See the full japanese arborvitae pet-safety guide for both species.
What other plants are safe for dogs?
Reliable ASPCA non-toxic picks for a dog home include spider plant, calathea, parlor palm, peperomia, and most true ferns. Browse the best dogs-safe plants list to check more before you buy.
Full japanese arborvitae pet-safety
- Is japanese arborvitae toxic to cats and dogs? — the full guide for both pets
- Is japanese arborvitae toxic to cats?
- Best dogs-safe plants — the full ASPCA non-toxic list
- Complete japanese arborvitae care guide