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how tall or how long to determine sex

Discussion in 'Indoor Growing' started by goatamineHcL, Jan 4, 2008.


    goatamineHcL Well-Known Member

    i was curios about how long it takes before plants sex or about how tall they will usually be when they begin to show signs of sex

    any help appreciated

    W33D Well-Known Member

    Takes about 6-10 weeks into veg growth, 1-3 weeks into flowering, and could be anywhere from 2-24 inches in height before it shows sex.

    goatamineHcL Well-Known Member

    so basically just start watching after a few weeks lol

    thanks man

    crazy-mental Well-Known Member

    you vegg 24/0 18/6 every day untill you start to flower, then you have to have 12 houre lite and 12/hours compleat darkness, unless growing outside,but its not the rite time of year to be growing outside yet.
    i vegg for 4 to 6 weeks and keep the lite on 24/0 all the time, this makes the plant grow.
    then when you switch to 12/12 thats when you start telling the plant to flower.
    and after you have been doing 12/12 for 2 to 3 weeks, then you will able to tell sex,
    you must go to 12/12 b4 you start growing buds, or to tell sex,.
    it isnt how big before you can tell the sex.
    btw. you must flower the plants for 6 to 10 weeks depending on strain.
    havent you even read up on the basics.lol
    faq read up.maybe the basics,maybe before you stert to grow.it help to know what your doing.
    any pics of your plants.

    robjfry Member

    If you really look close you can determine sex once you switch to 12/12 in as little as three days. Look for the real thin hairs between nodes.

    del66666 Well-Known Member

    if you dont want trees, if you want to use less electric, less heat, if you got a good light just go 12-12 from seed....sex for males shows around 2 ish weeks and fems by 3 weeks............with a 400 hps you can pull 1 1/2 + dry oz per plant.......with a 600 hps im pulling up to 7+ oz dry per plant.......12-12 from seed rocks

    harout121 Active Member

    Ok if you let a plant veg for 1 month and you turn the light to 12/12 after how many days can you determin the sex of your plant?
    Please help

    GentlemenSwag Member

    1-3 weeks depending on strain.

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