Reviewed by Debra LaGattuta Creeping phlox is a low-growing, mat-forming flowering plant that is often seen spreading as a thick ground cover, in rock gardens, and even in crevices of stone walls.

Phlox subulata is native to the central and eastern U.S., and Phlox stolonifera is native to the eastern U.S. Subulata typically blooms from March to June, while stolonifera arrives a little later ...