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
dog safety reference
Is Jackson Brier safe for dogs?
Smilax lanceolata
Jackson Brier is a woody, climbing vine known for its lance-shaped leaves and resilience. It is considered non-toxic to household pets, though its fibrous nature may cause mild digestive discomfort if consumed in large quantities.
Jackson BrierLanceleaf GreenbrierSmilax lanceolata
- Light
- Partial shade to full sun
- Habit
- Vining
- Care
- Low
Safety status
What this means for your dog
Dogs can be around Jackson Brier without a poisoning concern — the ASPCA lists Smilax lanceolata as non-toxic for dogs, with no toxic principle on file. Watch the thorns more than the leaves; a determined chewer can scrape gums on the prickly stems.
Sources: ASPCA.
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.
Dogs — concern notes
Common signs
None expected; however, ingestion of large amounts of fibrous plant material may cause mild vomiting or diarrhea.
Escalation note
The plant is non-toxic, but if your dog consumes a significant amount and shows signs of distress, contact your veterinarian.
Bring it home
Jackson Brieris generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.
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Source evidence
ASPCA Toxic Plant List
toxicology · 99% reliability
Jackson Brier is listed as non-toxic to both cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Smilax lanceolata is a native vine often found in woodlands, valued for its evergreen foliage.
Questions about Jackson Brier
Is Jackson Brier toxic to dogs?
No, Jackson Brier (Smilax lanceolata) is non-toxic to dogs. It is considered generally safe, with no toxic principles documented that would cause poisoning.
What happens if my dog eats Jackson Brier?
No harmful symptoms are expected, but the plant's fibrous, woody material may cause mild vomiting or diarrhea if your dog eats a large amount. Small nibbles are unlikely to cause any reaction.
What should I do if my dog ate a large amount of Jackson Brier?
Because the plant is non-toxic, this is not a poisoning emergency, but significant ingestion of fibrous plant material can irritate the digestive tract. Monitor your dog for vomiting or diarrhea, and call your veterinarian if symptoms persist or your dog seems distressed.
Can Jackson Brier's fibrous vines cause problems for dogs beyond toxicity?
Yes — while the plant is non-toxic, its tough, fibrous stems and leaves are harder to digest than soft foliage. Large amounts could cause GI upset such as vomiting or diarrhea due to the physical bulk, not a chemical reaction.
Same dog verdict
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