— Short, snippet-friendly answers to the most-asked questions about Great Saint John's Wort (Hypericum ascyron). For the full profile with citations, open the main page.
Great Saint John's Wort (Hypericum ascyron), a perennial plant from the family Hypericaceae, is native to a wide range of regions including Altay, Amur, Buryatiya, and various areas in China and Russia, as well as parts of North America such as Connecticut and Illinois. Great Saint John's Wort (Latin: Hypericum ascyron) is a medicinal plant catalogued in PlantSage.
Great Saint John's Wort is most often used to support stress & anxiety and mood support. Each claim is rated by evidence strength - see the full profile for citations.
Great Saint John's Wort 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.
Great Saint John's Wort is a member native to ALT, AMU, BRY, CHN, CHC, and CHS. Great Saint John's Wort thrives in full to partial sun and prefers moist, well-drained soil that is light (sandy), medium, or heavy (clay).
Great Saint John's Wort grows best in USDA zone 3-7, full sun, partial sun/shade light, moist water, and perennial life cycle. Detailed sowing, propagation, and care notes are on the full profile.
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