About
A compact, clump-forming deciduous perennial producing dark green leaves. Upright stems of clear blue, frangrant, sterile flowers with a yellow centre are produced in the spring and 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, Well-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Wildlife gardens
FragranceFlower
Care notes
CultivationGrow in any fertile,well drained but moist soil, preferably in full sun
PruningCut back to the base in late autumn
PropagationDivide in spring. This plant is sterile so will not set seed
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews