I think this is one of those ones that everyone answer differently. I start counting on the first full day of 12/12....that way I know when the first pistil shows, how fast the plant is turning etc etc etc.. If I flower a plant for 8 weeks that is 56 days from the first full day of 12//12 lighting.
Weedhound Reviewed by Weedhound on . more noob questions When do you start counting your weeks in flower, when you switch to 12/12 or when they start making bud? Also when I go to 12/12 I am getting some N def. and dropping some lower leaves. Should I use veg nutes until stretch is over? Using rockwool in hydro. Rating: 5