About

A reliable perennial, reaching 20-60cm, with upright healthy form. It bears attractive blooms.

About the genus

Silphium are robust herbaceous perennials with tall stems bearing simple leaves, aromatic when bruised, and loose clusters of yellow, daisy-like flowers in summer and early autumn

Plant details

Suggested usesBorders, cottage gardens

Care notes

CultivationFertile well-drained soil
PruningCut back autumn/spring
PropagationDivide 3-4 years
Pest resistanceSlugs possible
Disease resistanceMildew possible