Nah, you got some bad info. Generally you let it flower 8 weeks. Some strains take closer to 10 weeks. This is regardless of how long the plant grew before flowering.

If you want to harvest early, you might be looking at 7 weeks or so.... but definately not 3 or 4.
smoknjoe Reviewed by smoknjoe on . harvest time? Ok, so started 12/12 cycle two weeks ago today. Preflowers showed 2 days after starting the cycle. There's at least 50 buds, but probably closer to 100, all varying in size. It's under a 400 watt hps. Since this is my first, and my personal stash is virtually gone now, I'm excited to harvest, but I also don't wanna screw myself over in potency and yield. Would it be reasonable to harvest in 1 week (3 weeks flowering total)? I definitely wanna harvest a little early, to achieve a more Rating: 5