About
A reliable perennial, reaching 20-60cm, with a mounding habit with textured foliage. It displays showy flowers. 'Summer Spire' is valued in garden settings.
About the genus
Physostegia are erect rhizomatous herbaceous perennials with neatly arranged pairs of toothed leaves and terminal racemes of 2-lipped, tubular flowers in summer
Plant details
Suggested usesBorders, cottage gardens
Care notes
CultivationFertile, moist but well-drained soil
PruningCut back in late autumn or spring
PropagationDivide every 3-4 years
Pest resistanceSlugs and snails possible
Disease resistanceMildew in dry conditions