Additional notes (click to expand)
Silphium perfoliatum L.
Family: ASTERACEAEGenus: Silphium
Species: perfoliatum L.
Common names: Indian Cup
Distribution summary: E.N.America
Habit: Perennial
Hardiness: H7 - Very hardy
Habitat: floodplains, moist but sandy soils
Garden status: Currently grown
Garden location: North America (A)
Flowering months: July, August, September
Reason for growing: Medicinal