Your length of day is 13 1/2 hours on May first. Count backward from there according to how long you want to veg {under lights}. Strains will vary, so adjust as needed.
I start popping in April for my outdoor girls ....gives me more than enough time to have my monsters come October ......last year I didn't even get my lil experimental strain garden going until well into may ......not ideal but my SSH I've posted pics of didn't seem to think reaching over the house was any harder ....lol ........GL .....hope everyone has a good year this year
Seeds start late April to early may in cali and clones late may to early june in cali. That's if your not starting indoors at all. Plenty of time for monsters