About
A low-growing, mat-forming perennial to about 10cm from high montane grassland in the Andes with narrow, linear, grass-like leaves forming loose tufts and erect, slender stems bearing small, solitary, blue or white, cup-shaped flowers in summer. A delicate and charming South American gentian relative for a cool, moist, well-drained rock garden.
About the genus
Penstemon may be deciduous or evergreen perennials or subshrubs, with simple, narrow leaves and racemes or panicles of bell-shaped or funnel-shaped flowers in summer and early autumn
Plant details
Suggested usesBorders, hedging, specimen planting.
Care notes
CultivationPlant in well-drained soil in sun or part shade.
PruningPrune after flowering or late winter.
PropagationPropagate by division, cuttings, or seed.
Pest resistanceGenerally pest-free.
Disease resistanceGenerally disease-resistant.