— Short, snippet-friendly answers to the most-asked questions about River Hawthorn (Crataegus rivularis). For the full profile with citations, open the main page.
River Hawthorn (Crataegus rivularis) is a deciduous shrub or small tree native to the Pacific Northwest and northern regions of North America, including Alaska, Alberta, British Columbia, California, Idaho, Michigan, Minnesota, Montana, Ontario, Oregon, Saskatchewan, Washington,… River Hawthorn (Latin: Crataegus rivularis) is a medicinal plant catalogued in PlantSage.
River Hawthorn is most often used to support immune support. Each claim is rated by evidence strength - see the full profile for citations.
River Hawthorn 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.
River Hawthorn is a member native to ARI, COL, IDA, NEV, NWM, and UTA. River Hawthorn thrives in full to partial sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay).
River Hawthorn grows best in USDA zone 4-8, full sun, partial sun/shade light, and moist, wet water. Detailed sowing, propagation, and care notes are on the full profile.
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