Abstract The essential oil of Nepeta curviflora Boiss. (Lamiaceae) grown in Lebanon, obtained by hydrodistillation of aerial parts, was analyzed by GC and GC/MS. Thirty-five compounds were identified constituting 93.2% of the oil, the major components being Î²-caryophyllene (50.2%), caryophyllene oxide (6.4%) and (E)-Î²-farnesene (5.3%).