Moss phlox (Phlox subulata) is a popular groundcover plant appreciated for its colorful and delicate spring blooms. There are several synonyms used to refer to this plant, depending on the region and the cultivar. One of the most commonly used is creeping phlox, which describes its low-growing and spreading habit. Other synonyms include mountain phlox, cushion phlox, thrift-leaved phlox, and moss pink. These names reflect the plant's natural habitat, which includes rocky mountainsides, meadows, and sandy soils. Regardless of its name, moss phlox is a beautiful and easy-to-grow plant that adds color and charm to any garden.