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Flowering after 3 weeks of growth

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    HELP! Flowering after 3 weeks of growth

    My plants are starting to flower, both male and female, after about 3 weeks of growth. Did this last year also. 18/6 light cycle. Can anyone tell me what is going on? Seed source is unknown. Light is florescent tube.

    They are Autos! Autos start to flower at 3-5 weeks old even under 24/0/7 lights, some will finish as soon as 60 days some go 120 days or a bit more.
    Welcome to GWE!


      More light would probably prevent the early flower. My veg cycle is 22 on 2 off. And the 2 off is for maintenance, they're almost never in total darkness during veg.

      Someone recently suggested that breaking your dark cycle in half with an hour in between keeps them from early flowering. You might try that.
      Space 1: 3ft x 3ft T-Tek tent
      400W HPS Mag Ballast
      GH Floro - DWC
      Current grow - Humboldt Fem Green Crck from seed
      - TGA GSC x Space Dude clones

      Space 2: 6ft x 6ft x 8ft room
      IponicZone 400/600/1000W dimmable HPS E-Ballast
      Supplemented with California Lightworks Solar System 275 with spectrum control
      GH Maxi Series-DWC
      Current grow - Humboldt Fem Blue Dream from seed
      - Humboldt Fem Blue Dream Clones
      - TGA GSC x Space Dude from reg seed in dirt, G.O. Box nutes


        Thanks Rwise. That makes sense. Dont know much about autos. Guess I'll be learning.


        • Rwise
          Rwise commented
          Editing a comment
          LOL, a year ago I did not either

        One of my autos started stretching and flowering right after and it all started at week, my other 3 of the same strain waited until week 5.


          Autos are usually feminized. There shouldn't be any males in there


          • Rwise
            Rwise commented
            Editing a comment
            We can certainly get "regular" Auto seed,,,,not all are feminized

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