Verbena canadensis

Verbena canadensis (syn. Glandularia canadensis), commonly known as rose mock vervain, rose verbena, clump verbena or rose vervain is a perennial herbaceous flowering plant in the verbena family (Verbenaceae) with showy pink to purple flowers. It is native to the eastern and south-central areas of the United States. This species is widely cultivated as an ornamental, and naturalized populations have been established outside its native range, such as in the northeastern U.S.