About

Purple Passion' is a semi-evergreen perennial to 90cm tall, with slender dark green leaves and from summer to autumn tubular flowers of grape-purple carried in tiers.

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 moistureWell-drained
AspectWest-facing, South-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH4

Plant details

Plant typeHerbaceous Perennial
HabitBushy
FoliageSemi evergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCoastal, Gravel garden, Wildlife gardens, City and courtyard gardens, Cottage and informal garden, Patio and container plants

Care notes

CultivationGrow in fertile, 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 and prolong flowering, then cut back to 15cm in late winter or early spring
PropagationPropagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer
Pest resistanceMay be susceptible to slugs, snails, aphids and leaf and bud eelworms
Disease resistanceMay be susceptible to downy mildews, grey moulds, powdery mildews and a fungal leaf spot