Location: Plant tall phlox in a location that receives full sun to partial shade. It prefers well-draining soil with good organic content.
Watering: Keep the soil consistently moist but not waterlogged, especially during periods of hot, dry weather. Water at the base of the plant to avoid wetting the foliage, which can lead to disease.
Fertilization: Apply a balanced, slow-release fertilizer in spring to promote healthy growth and abundant flowering.
Mulching: Apply a layer of organic mulch around the base of the plant to retain moisture, suppress weeds, and moderate soil temperature.
Pruning: Deadhead spent flowers regularly to encourage continuous blooming and prevent self-seeding. Cut back the stems to ground level in late fall or early spring to promote new growth.
Support: Tall phlox may benefit from staking or support cages to prevent the tall stems from flopping over, especially in windy conditions or if the soil is too rich.
Division: Every few years, divide mature clumps of tall phlox in early spring or late summer to rejuvenate the plant and prevent overcrowding.
By following these care tips, you can enjoy healthy, vibrant tall phlox plants in your garden year after year.