— Short, snippet-friendly answers to the most-asked questions about Silphium integrifolium (Silphium integrifolium). For the full profile with citations, open the main page.
Silphium integrifolium, commonly known as American silphium or prairie silphium, is a perennial herb native to the central and southern United States, extending into parts of Canada. Silphium integrifolium (Latin: Silphium integrifolium) is an edible plant catalogued in PlantSage.
Silphium integrifolium is generally regarded as safe for culinary use when correctly identified and prepared. Avoid wild specimens from polluted ground and confirm species before harvest.
Silphium integrifolium is a member native to ALA, ARK, ILL, INI, IOW, and KAN. Silphium integrifolium thrives in full sun and prefers well-drained soil that can range from light (sandy) to heavy (clay).
Silphium integrifolium grows best in USDA zone 4-8, full sun light, dry, moist water, and perennial life cycle. Detailed sowing, propagation, and care notes are on the full profile.
Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.
