Starting photoperiod CBD seeds in February sounds like a head start, but by the time it is safe to plant out in May you have a two foot plant that has been fighting a windowsill. Late March to mid April is the sweet spot for most of the northern hemisphere, and autos can go in as late as June. A month by month sowing guide split by climate zone is on https://calmcbdseeds.com (https://calmcbdseeds.com) and it takes the guesswork out. Too early is a more common mistake than too late.