Mountain phlox is a popular plant known for its vibrant colours and pleasant fragrance. There are several synonyms for this species, including "wild sweet William," "rock pink," and "creeping phlox." "Wild sweet William" comes from the plant's resemblance to the herbaceous perennial, sweet William. "Rock pink" is a fitting name as the plant often grows on rocky outcrops and cliffs. "Creeping phlox" refers to the plant's creeping habit, with stems that trail along the ground. Regardless of the synonym used, mountain phlox remains a beloved plant that adds beauty and charm to gardens, landscapes, and forests across North America.