About
An evergreen perennial forming a low mound of needle-like leaves and bearing a profusion of star-shaped pale blue flowers with darker centres and deeply-cut petals in late spring and early summer.
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, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6
Plant details
Plant typeHerbaceous Perennial, Alpine Rockery
HabitMatforming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Gravel garden, Patio and container plants, Rock garden
Care notes
CultivationGrow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice
PruningTrim back after flowering
PropagationPropagate by softwood cuttings in spring
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to leafy gall, powdery mildews and leaf spot