Cats
Generally safeConsulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Pet safety reference
Greenbrier
Smilax sp.
Greenbrier is a genus of woody, often thorny vines known for their resilience and climbing habit. While generally considered safe for pets, the fibrous nature of the plant can cause minor digestive discomfort if consumed in large quantities.
CatbrierMulberry Bush GreenbrierSmilaxSmilax sp.
- Light
- Bright indirect to full sun
- Habit
- Vining
- Care
- Low
Safety status
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
None expected; however, ingestion of large amounts of fibrous plant material may cause mild vomiting or diarrhea.
Escalation note
This plant is considered non-toxic. If your cat consumes a significant amount and shows signs of distress, contact your veterinarian.
Safer alternatives
No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.
Source evidence
ASPCA Toxic and Non-Toxic Plants List
toxicology · 99% reliability
The ASPCA lists Smilax species as non-toxic to cats and dogs.
Plants of the World Online - Smilax
botanical · 95% reliability
Botanical database entry for the genus Smilax, confirming its classification and distribution.
Same genus
More from the Smilax genus
Bamboo Vine
Smilax laurifolia
Smilax laurifolia is a woody, climbing vine known for its tough, leathery leaves and thorny stems. While generally considered safe for pets, its fibrous nature can occasionally cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.
Bristly Greenbrier
Smilax hispida
Bristly Greenbrier is a woody, climbing vine native to North America, often found in thickets and woodlands. It is considered non-toxic to pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.
Bullbrier
Smilax rotundifolia
Bullbrier is a hardy, woody vine native to North America, often recognized by its prickly stems and rounded leaves. It is considered non-toxic to pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.
Cat Brier
Smilax glabra
Cat Brier is a hardy, woody vine known for its tough stems and foliage. It is considered non-toxic to pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.