About

A herbaceous perennial, reaching 30-90cm, with clump-forming habit. It produces colourful flowers in purple. 'Purple Perversion' is valued in garden settings.

About the genus

A genus of 200 species of flowering plants, mainly herbaceous but with a small number of subshrubs, and often classed as a weed. Broad or narrow foliage with long stalks of inconspicuous flowers that are wind-pollinated

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