Catnip oil is obtained from Nepeta cataria L. The genus Nepeta comprises annual or perennial herbs or shrubs which are mainly distributed in temperate Eurasia and North Africa. Although no members of this genus are native to North America, a few can be found as garden escapes. The three species of Nepeta that have been found in North America are Nepeta cataria L. (including var. citriodora Beck), N. grandiflora Bieb. and N. racemosa La. (syn. N. mussini Spreng.).