Creeping Phlox Plant Care

Creeping Phlox (Phlox subulata) belongs to the Polemoniaceae family within the Phlox genus. Creeping Phlox is native to the eastern and central United States, and widely cultivated. Creeping Phlox is also known as Moss Phlox, Ground Phlox, Phlox.

Creeping Phlox displays a clumping perennial growth habit, reaching up to 1.5 inches tall with a spread of approximately 1 inches. Creeping Phlox produces colorful clusters of small, star-shaped flowers.

Leaf size: approximately 2 inches.

Phlox subulata requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Creeping Phlox thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Creeping Phlox in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Phlox subulata grows best at temperatures between 60°F and 75°F. Creeping Phlox prefers humidity levels of 40–60%.

Well-draining, fertile soil with a neutral pH. Good drainage is essential for Creeping Phlox to prevent waterlogging, which leads to root rot and fungal issues.

Divide and replant every 3-4 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

Creeping Phlox can be propagated through seeds, division. Similar propagation techniques also apply to garden phlox plant care, which shares the same genus.

Creeping Phlox is susceptible to aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Creeping Phlox grows outdoors in USDA Zone 13a. Native to the eastern and central United States, and widely cultivated, Creeping Phlox is adapted to warm climates. In cooler regions, grow Creeping Phlox as a houseplant or bring it indoors before the first frost.