by buying a scope. http://www.amazon.com/gp/product/B001CTLKSO/ref=oh_details_o00_s00_i00i have an auto blue mystic and she has been in flower for a while now, i tried to determine the trichomes but its hard to tell without a scope.
Any other indications i can look for to know when to harvest? View attachment 2354979View attachment 2354980View attachment 2354981View attachment 2354982View attachment 2354983