About
A bushy, semi-evergreen perennial with upright stems. Mid purple flared, tubular flowers with a white throat that is streaked with purple are produced from summer until early autumn.
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
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH4
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageSemi evergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Patio and container plants, City and courtyard gardens, Wildlife gardens
Care notes
CultivationGrow in fertile, moist but well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with a dry winter mulch. See penstemon cultivation for further advice
PruningDeadhead after flowering to maintain vigour
PropagationPropagate by softwood or semi-ripe cuttings in summer
Pest resistanceMay be susceptible to slugs, snails and chrysanthemum eelworms but generally pest free
Disease resistanceMay be susceptible to downy mildews