Phlox subulata 'Emerald Pink' Pink star-shaped flowers cover the foliage in April into May. The evergreen mat forming foliage grows 4 to 6 inches tall and spreading to 12 inches. Use as a ground cover, edging, or in a rock garden. Full sun in average, well-drained soil. Shear after flowering to retain a tight, dense plant. Creeping Phlox