Lesser calamint is an aromatic, slow-growing, erect perennial with ovate dark green leaves that are 1½ inches long that smell like mint. It grows best in sun in well-drained moist soil. In summer, it produces 5 to 15 white-turning-to-light-lavender to blue flowers with the onset of cooler nighttime temperatures in fall. A pollinator magnet throughout the season with compounds in the leaves that deter deer and rabbits.