— Short, snippet-friendly answers to the most-asked questions about Common Sunflower (Helianthus annuus). For the full profile with citations, open the main page.
Common Sunflower (Helianthus annuus) is an annual forb or herb native to southwestern United States and northwestern Mexico, with a range extending into several regions of Mexico. Common Sunflower (Latin: Helianthus annuus) is a medicinal plant catalogued in PlantSage.
Common Sunflower is most often used to support immune support. Each claim is rated by evidence strength - see the full profile for citations.
Common Sunflower 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.
Common Sunflower is a member native to ARI, CAL, MXC, MXE, MXN, and MXS. Common Sunflower thrives in full sun and prefers well-draining to moist soils with a pH between 5.5 and 7.8.
Common Sunflower grows best in USDA zone 6-9, 8/10 light, dry, moist water, and annual life cycle. Detailed sowing, propagation, and care notes are on the full profile.
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