Arborvitae, or Thuja, are common evergreen trees. They are mostly safe, but they can cause mild issues for pets. This guide will help you understand the risks and how to stay safe.
Is Arborvitae Dangerous for Dogs?
Dogs that eat a lot of arborvitae may get an upset stomach. The plant contains thujone, which can cause:
- Vomiting
- Diarrhea
- Drooling
While it is not usually serious, it’s best to keep dogs away from arborvitae.
Is Arborvitae Dangerous for Cats?
There isn’t much research on how arborvitae affects cats. To be safe, keep cats from eating it. If your cat eats some and has vomiting, diarrhea, or trouble breathing, call a vet right away.
Is Arborvitae Dangerous for People?
Arborvitae is safe for most people. But its sap can irritate sensitive skin. If you trim the tree, wear gloves and long sleeves. If someone eats it, call Poison Control at 1-800-222-1222.
Is Arborvitae Dangerous for Horses?
Pregnant horses should not eat Thuja occidentalis. Eating too much can be harmful to the baby horse.
What to Do if a Pet Eats Arborvitae
Watch for signs like:
- Vomiting
- Diarrhea
- Weakness
- Drooling
- Loss of appetite
- Shaking or seizures
- Trouble breathing
If you see these symptoms, call a vet or the ASPCA Animal Poison Control Center at 888-426-4435.
How to Prevent Poisoning
- Keep pets and kids away from arborvitae.
- Use a fence around these trees.
- Wear gloves and long sleeves when trimming.
Other Plants That Are Dangerous
Some plants are more toxic than arborvitae. Watch out for these:
For Cats:
- Lilies – Can cause kidney failure.
- Sago Palm – Can cause liver failure.
For Dogs:
- Azalea/Rhododendron – Can be deadly.
- Oleander – Can harm the heart.
- Yew – Can be fatal.
Final Thoughts
Arborvitae is mostly safe but can cause mild issues in pets and skin irritation in people. Keep pets away, and wear gloves when handling the plant. Knowing about toxic plants will help keep your family and pets safe.
