Mint, or Mentha, is a genus of plants in the family Lamiaceae. Mints are aromatic plants, with leaf color that ranges from dark green and gray-green to purple, blue, and sometimes pale yellow. The most common mints for commercial cultivation are peppermint, native spearmint, scotch spearmint, apple mint and cornmint. Mint oil is also used as an environmentally-friendly insecticide.