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Thread: Yellow Leaves and Possibly Mis-sold Photoperiodic

  1. #1

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    Default Yellow Leaves and Possibly Mis-sold Photoperiodic

    I posted this within my grow diary but thought I would post it here for a little more exposure as I'm confused about what to do. I watered her a few days ago and never noticed the leaves were like this at the time. I checked today and saw the yellowing leaves and realised how long I'd been growing her. It dawned on me that she's in week 8 and there are no signs of buds even forming.

    My last plant was supposed to be an auto and turned out to be a photo, the result was a six-month grow that I can't really afford with the prices of electricity at the moment. Are there any ways of visually distinguishing the two species? She's currently on a 24/0 cycle and under a Spider Farmer SF1000 in a 2ftx2ftx4ft tent. I'm feeding her BioBizz Bloom, Grow and Top-Max with a ratio of 2ml/liter. I added some CalMag to the last feed as I noticed the leaves were a darker shade of green.

    As always, any help is massively appreciated.

    Click image for larger version. 

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    Last edited by Effexion; 08-09-22 at 06:45 PM.

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    GEORGE (08-09-22), Mart the Elder (09-09-22), MonsterEnergy (09-09-22), mpsj (08-09-22)

  3. #2
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    they are only dying back due to lack of light/distance from light,

    you'll see my girl showing the exact same yellowing leaves low down due to lack of light/distance


    they only turn yellow because the plant is pulling the nutrients/sugars from the leaves or your feeding too much calmag
    dark green leaves aren't a calmag problem it's usually due to high levels of nitrogen
    its more a problem is she yellows from the top then down



    wanna know if it's a photoperiod?? lower the light to 12/12 and she does it flower, also it's half electric use.
    next time id try and train her a little if it's possible, if she now stretches it could double in height again.....
    Last edited by MonsterEnergy; 09-09-22 at 12:54 AM.

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  5. #3

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    Quote Originally Posted by MonsterEnergy View Post
    they are only dying back due to lack of light/distance from light,

    you'll see my girl showing the exact same yellowing leaves low down due to lack of light/distance


    they only turn yellow because the plant is pulling the nutrients/sugars from the leaves or your feeding too much calmag
    dark green leaves aren't a calmag problem it's usually due to high levels of nitrogen
    its more a problem is she yellows from the top then down



    wanna know if it's a photoperiod?? lower the light to 12/12 and she does it flower, also it's half electric use.
    next time id try and train her a little if it's possible, if she now stretches it could double in height again.....
    I'm no expert whatsoever but don't agree. Yellowing leaves at your stage of that plant is fine and a good sign that every goodness is being used up....but not at the stage of the pic posted. I'm struggling with the same problem on one of mine....same feed as her sisters and they are ok but one is struggling and yellowing. I posted a few pics of my plant at the time and the general opinion she was hungry...got same again one on the left....I know there are many, many factors that come into it but here's my three latest....Click image for larger version. 

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    Effexion (12-09-22), GEORGE (09-09-22), TightNugs (09-09-22)

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