What are the Automatic seeds?

Marijuana seeds, that are named “Automatic”, or “Autoflowering” are cannabis seeds (always feminized at 99.9% female) blooming independently form their photoperiod, the hours of exposure at light and the season. They are obtained crossing the classic FEM genetics together with the Ruderalis cannabis type. Usually Autoflowering plants have smaller size and produce less than the seasonal plants but they are easier to cultivate.