About
A bushy, clump-forming perennial to around 90cm high, with long, pinnate leaves, divided into 20 or more lance-shaped leaflets held in offset pairs. White flowers are produced in loose sprays on upright stems from early to late summer.
About the genus
Polemonium can be annuals or herbaceous perennials or upright or spreading habit, with pinnate leaves and usually clustered, tubular, bell, or funnel-shaped flowers
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitBushy, Columnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow, Wildlife gardens
Care notes
CultivationGrow in fertile, moist but well-drained soil, will benefit from some shade where summers are hot
PruningDeadhead regularly to encourage new flowers
PropagationPropagate by seed, sown in containers in a cold frame in autumn or spring, or by division in spring
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews