Phlox paniculata 'David', commonly known as 'David' garden phlox, is a classic and reliable perennial prized for its fragrant, pure white flowers and mildew resistance. This Phlox cultivar forms an upright, bushy clump of lance-shaped, dark green leaves and produces large, domed panicles of densely packed flowers from mid-summer to early autumn. Its strong fragrance, long blooming period, and disease resistance make it a valuable addition to gardens, borders, and cottage gardens, adding a touch of bright colour and sweet fragrance to various settings. It belongs to the Polemoniaceae family.
Origin: Phlox paniculata is native to eastern North America. 'David' is a well-regarded cultivar selected for its pure white flowers and improved resistance to powdery mildew.
Light: Phlox paniculata 'David' thrives in full sun to partial shade. It prefers at least 6 hours of sunlight per day for optimal flowering.
Water: Water regularly, especially during dry periods and the first year after planting. Phlox prefers consistently moist, well-drained soil. Avoid overwatering, which can lead to root rot.
Soil: Phlox paniculata 'David' prefers fertile, well-drained soil that is rich in organic matter. It can tolerate a range of soil pH, but prefers slightly acidic to neutral conditions.
Fertilising: Feed your Phlox paniculata 'David' with a balanced fertiliser in spring and again in mid-summer.
Pruning: Deadhead spent flowers to encourage continuous blooming. Cut back the plant in autumn after flowering.
Division: Divide the clumps every 3-4 years in spring or autumn to rejuvenate the plants and prevent overcrowding.
Pests and Diseases: Phlox paniculata 'David' is relatively resistant to powdery mildew, but keep an eye out for common pests such as spider mites and slugs.
Uses: Phlox paniculata 'David' is primarily grown as an ornamental plant for its fragrant flowers and long blooming period. It's a popular choice for gardens, borders, and cottage gardens.
Toxicity: Phlox paniculata 'David' is generally considered non-toxic to humans and pets. However, it is always best to keep plants out of reach of pets and children who might try to eat them.