— Short, snippet-friendly answers to the most-asked questions about Poison Sumach (Rhus vernix). For the full profile with citations, open the main page.
Poison Sumach, scientifically known as Rhus vernix, is a deciduous shrub or small tree native to the eastern United States and southeastern Canada. Poison Sumach (Latin: Rhus vernix) is a medicinal plant catalogued in PlantSage.
Poison Sumach is most often used to support topical & skin. Each claim is rated by evidence strength — see the full profile for citations.
Poison Sumach 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.
Poison Sumach is a member native to ALA, CNT, DEL, WDC, FLA, and GEO. Poison Sumach thrives in full sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay).
Poison Sumach grows best in USDA zone 3-7, full sun light, and moist, wet water. Detailed sowing, propagation, and care notes are on the full profile.
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