it`s been my experience that cloning is the quickest way i know of to sex a plant.
take a clone from a 3 to 4 week old plant, put it directly into 12/12, within a week to 10 days, voila, you`ll know what sex the plant is, and you will save weeks of grow time
notanovice Reviewed by notanovice on . Sexing tip Hi all, All the advice I've seen so far (yes, I'm still a newbie so I'll no doubt get flamed that everyone has been doing this for years :) ) on sexing by covering a lower branch has recommended lightproof paper, tubes or a paper bag. Not having ready access to any of those I had to rethink. Am I the first to spot a new use for cooking foil (Bacofoil this side of the pond) here? A 12" x 12" piece moulds nicely around a lower branch without causing any damage and it stays in place on its Rating: 5