Can I flower then Veg again to find out sex?

Can i take three week old seedlings and change them to 12/12 to find out their sex and and when i do find out their sex can i then put them back into the veg state?

Thanks ahead

you could, but it's not a good idea. you should know sex at about a month to a month and a half depending on the strain. one method some people use is to do 1 clone adn when it grows roots, place that on 12/12. it seems to me like it's easier to just wait it out, since it's about the same amount of time....though there certainly have been plants here and there that didn't show sex for 2+ months.

Beegeasy45 said:

Can i take three week old seedlings and change them to 12/12 to find out their sex and and when i do find out their sex can i then put them back into the veg state?

Thanks ahead

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Yes you can, but dont do that. It takes forever for plants to revert from flowering back to veg, like a month. So instead just veg it until it shows preflowers. Preflowers show up at about the 6th or so node and will either have two white hairs sticking out or they will just be a small ball sometimes on a tiny tiny stem.
Or if your really in a hurry you can take clones from the plant and put them in 12/12 to see what they are but by the time they root and sex you will prolly have preflowers. Lamp