Cats & Dogs
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.
Sources

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.
Safety status
Cats & Dogs
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.
Sources
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 lead to mild vomiting or temporary digestive upset.
Escalation note
Generally considered safe. If your cat consumes a significant amount of the plant and shows persistent signs of distress, contact your veterinarian.
Dogs — concern notes
Common signs
None expected; however, ingestion of large amounts of fibrous plant material may lead to mild vomiting or temporary digestive upset.
Escalation note
Generally considered safe. If your dog consumes a significant amount of the plant and shows persistent signs of distress, contact your veterinarian.
Bring it home
Bullbrieris generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.
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ASPCA Toxic Plant List
toxicology · 99% reliability
Bullbrier (Smilax rotundifolia) is non-toxic to both cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Smilax rotundifolia is a deciduous, woody vine known for its thorns and climbing habit.
Same genus

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 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.

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.

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.
Generally safe for cats.
Not yet rated for dogs.
Same safety verdict

Acorn squash is a popular edible winter squash known for its ribbed, dark green skin and sweet, yellow-orange flesh. It is widely cultivated for culinary use and is considered safe for household pets.
Generally safe for cats & dogs.

Banana squash is a large, edible winter squash variety known for its elongated shape and sweet, dense flesh. It is considered safe for household pets, though large ingestions of raw plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.

Bur Gourd is a vining plant in the cucumber family known for its small, spiky, edible fruits. It is generally considered safe for household pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.
Same growing conditions

Robinia species, commonly known as locust trees, contain toxic proteins and alkaloids throughout the bark, leaves, and seeds. Ingestion can lead to significant gastrointestinal and neurological distress in pets.
Potentially toxic for cats & dogs.

Buckeye trees and shrubs contain toxic glycosides and saponins that affect the gastrointestinal and nervous systems. All parts of the plant, especially the seeds and leaves, are considered poisonous if ingested.
Potentially toxic for cats & dogs.

The Canary Date Palm is a popular ornamental palm known for its massive, feathery fronds and sturdy trunk. While it is considered non-toxic to pets, its fibrous foliage can cause mechanical irritation if ingested in large quantities.
Generally safe for cats & dogs.

Japanese Mock Orange is a popular evergreen shrub known for its fragrant, citrus-like flowers and glossy, leathery foliage. It is considered safe for households with pets, though large ingestions of plant material may cause minor digestive discomfort.
Not yet rated for cats.
Generally safe for dogs.