— Short, snippet-friendly answers to the most-asked questions about Smilax rotundifolia (Smilax rotundifolia). For the full profile with citations, open the main page.
Smilax rotundifolia, commonly known as American greenbrier or catbrier, is a deciduous vine native to the eastern United States and southeastern Canada. Smilax rotundifolia (Latin: Smilax rotundifolia) is a medicinal plant catalogued in PlantSage.
Smilax rotundifolia is most often used to support digestion and immune support. Each claim is rated by evidence strength - see the full profile for citations.
Smilax rotundifolia is generally considered safe when used at traditional doses. Always consult a clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children.
Smilax rotundifolia is a member native to ALB, ALG, BAL, COR, CZE, and EAI. Smilax rotundifolia thrives in full to partial sun and prefers moist soil that is light (sandy), medium, or heavy (clay).
Smilax rotundifolia grows best in USDA zone 4-9, full sun, partial sun/shade light, and moist water. Detailed sowing, propagation, and care notes are on the full profile.
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