Is Boxwood Toxic to Cats?

Yes — Boxwood is moderately toxic to cats

Boxwood is commonly used as formal hedging and topiary. While technically moderately toxic, its extremely bitter taste means pets rarely eat enough to cause serious illness. Large ingestion can cause neurological signs.

Symptoms in Cats

If your cat eats Boxwood, watch for these symptoms (onset: 1-6 hours):

Vomiting
Diarrhea
Abdominal pain
Dizziness
Seizures (large amounts)
Respiratory failure

What To Do

See vet if more than a few leaves ingested. Monitor for neurological signs. The extremely bitter taste limits ingestion.

Cat-Safe Alternatives to Boxwood

✓ Rosemary ✓ Thyme ✓ Bamboo Palm

Quick Facts

Scientific Name

Buxus sempervirens

Also Toxic to Dogs?

Yes (moderate)

Toxic Compound

Steroidal alkaloids (buxine)

Toxic Parts

leaves, bark

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Boxwood toxicity profile.