About

Phlox paniculata 'Louis Blanc' is a tall, summer-flowering border phlox reaching 80�120 cm with upright, clump-forming stems and lance-shaped, mid-green leaves. Dense, domed panicles of sweetly scented, five-petalled flowers crown the stems from midsummer to early autumn. A reliable and rewarding border perennial.

About the genus

Phlox are evergreen or herbaceous, mat-forming or erect perennials or shrubs with simple leaves and salver-shaped or flat-faced flowers in terminal clusters, ranging from compact alpines to tall border perennials. Popular and reliable garden plants.

Plant details

Suggested usesHerbaceous borders, cottage gardens, cut flowers

Care notes

CultivationPlant in fertile, moist but well-drained soil in sun or light shade. Mulch to retain moisture
PruningCut back to ground level in late autumn. Thin stems in spring for better air flow
PropagationDivide clumps every 3-4 years in autumn or spring. Root cuttings in winter
Pest resistanceEelworm can be problematic. Slugs may damage young shoots
Disease resistancePowdery mildew is common � choose resistant cultivars and ensure air circulation