Hesperis matronalis is a(n) biennial herb, which grows 0.5 m to 1.5 m in height. This species is commonly found at low to mid elevations throughout the Hills area mainly around towns and other settlements; woodlands and open areas along drainages, roadsides, waste places, and disturbed areas. The leaves are sessile or nearly so upward, lanceolate or broadly lanceolate. They are also obscurely to strongly toothed and rarely lobed toward the base. Hesperis matronalis has pink to medium purple, rarely white, flowers that bloom from May to July.