Boxwood
Buxus sempervirens
Also known as: Boxwood, Box Bush, Buxus sempervirens
Buxaceae
If your pet has eaten this plant, call ASPCA Poison Control: (888) 426-4435 — available 24/7.
Last reviewed: June 2026 · Source: ASPCA Animal Poison Control

Classic formal shrub with small, dense, glossy leaves. Popular for topiary and bonsai. Highly toxic to all.
Toxicity
Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.
Care Guide
Pot Size
Frequently Asked Questions
Is Boxwood toxic to cats?↓
Yes, Boxwood (Buxus sempervirens) is toxic to cats. If your cat ingests any part of this plant, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately.
Is Boxwood toxic to dogs?↓
Yes, Boxwood is toxic to dogs. Symptoms may include vomiting, drooling, or lethargy. Contact your vet immediately if your dog chews or eats this plant.
How often should I water Boxwood?↓
Water Boxwood every 7–14 days. Water when the top inch of soil feels dry to the touch.
How much light does Boxwood need?↓
Boxwood thrives in medium indirect light — bright enough to read by, but no direct sun rays. It is forgiving and adapts to a range of light conditions.
What size pot does Boxwood need?↓
Use a pot between 6″ and 14″ in diameter. When repotting, choose a pot only 1–2″ larger than the current one — too much space retains excess moisture and can lead to root rot.