About

This garden perennial, reaching 40-120cm, with clump-forming habit. It produces colourful flowers.

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