Not showing sex

Question from a fellow grower:

I’m starting seeds right in to flowering with 12 12 in hopes to separate the male and then put female back in vegetation it already been 4 weeks no sign of showing sex how much more time Will they need ?

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Plants won’t show sex immediately just because you start them under 12 hour light schedule. They need to be mature enough to flower regardless of light schedule. If they’ve been running 12/12 from start and it’s been 4 weeks, I would suspect likely be another week or two before they have chance of showing. Maybe a little longer.

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Its possible u have a light leak keeping them from flowering. Check ur grow for indicator bulbs and other leaks. Happy growing

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