— Short, snippet-friendly answers to the most-asked questions about Washington Hawthorn (Crataegus phaenopyrum). For the full profile with citations, open the main page.
Washington Hawthorn (Crataegus phaenopyrum) is a deciduous shrub or small tree native to the eastern United States and Ontario, thriving in moist to wet soils and preferring partial sun to full sun exposure. Washington Hawthorn (Latin: Crataegus phaenopyrum) is a medicinal plant catalogued in PlantSage.
Washington Hawthorn is most often used to support immune support. Each claim is rated by evidence strength - see the full profile for citations.
Washington 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.
Washington Hawthorn is a member native to ALA, ARK, DEL, FLA, GEO, and ILL. Washington Hawthorn thrives in full to partial sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay).
Washington 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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