About
A clump-forming, upright perennial to 1.2m tall, with mounds of lance-shaped, dark green leaves. Rounded heads of aromatic, dark-eyed violet-blue flowers appear from July through to September.
About the genus
Phlox may be evergreen or herbaceous, mat-forming or erect perennials or shrubs, with simple leaves and salver-shaped flowers in terminal clusters
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectWest-facing, South-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeHerbaceous Perennial
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, City and courtyard gardens, Prairie planting, Wildlife gardens
FragranceFlower
Care notes
CultivationGrow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice
PruningDeadhead to prolong flowering then cut down to the base in late autumn
PropagationPropagate by division in autumn or spring. Propagate by basal cuttings in spring or propagate by root cuttings in early autumn or winter
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to downy mildews and a leaf spot