Phlox stolonifera (Creeping Phlox) is a native, mat-forming groundcover that spreads by stolons and roots where the stems touch the soil. You will see clusters of starry, tubular spring flowers held above the foliage in tones that can include blue-purple, lavender, pink, and white, often with a noticeable fragrance. This plant stays low and tidy, typically 6-12 inches tall, and it gradually expands to form a living carpet along woodland edges, border fronts, and rock garden pockets.
For best performance, plant it in humusy, well-drained soil that stays evenly moist, especially during establishment. You can grow it in full sun to part shade; in warmer areas, your plants often look best with afternoon shade or dappled light. Once rooted in, it tolerates occasional dry spells and is considered drought tolerant after it is established, but it will be happiest with consistent moisture and good drainage rather than soggy soil.
Keep the planting area open enough for air movement, and shear or cut back after flowering if you want a cleaner look and to help reduce powdery mildew pressure. Deadhead spent blooms if you prefer fewer volunteers. Watch for spider mites during hot, dry weather and for slugs in persistently wet sites, and adjust watering and airflow as needed.
Use Creeping Phlox as an edging groundcover, in masses on gentle slopes, or tucked between stones where it can spill slightly without being overwhelmed. It tolerates light foot traffic when planted where stepping is occasional, and the spring flowers can draw pollinators such as butterflies. Deer and rabbits tend to browse it less than many other perennials, making it a reliable choice for mixed plantings.