Keep in mind that you can and should up-pot feminized photoperiod plants a few times to max-out development, meaning you don t need to transplant your seedlings into a giant pot right away. Springtime temperatures are generally what you should be aiming for seeds can still germinate in colder temperatures, although they can take longer. Is It Worth Buying Feminized Seeds. Source: https://dilyadal.ru/sowing-success-a-journey-into-cannabis-seed-selection/