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Yellowing leaves

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    HELP! Yellowing leaves

    My greenhouse grown OG Kush (feminised, photoperiod) has grown like a weed (!) but over the last couple of weeks some of the leaves have started yellowing.
    There doesn’t seem to be any pattern to the yellowing - photos attached
    I appreciate it could be a number of things - over watering, irregular watering, temperature changes, insufficient nutrients, too many nutrients, root pH, but I’d welcome the forum’s opinions
    Please be nice, this is only my second year growing!
    It’s being in grown multi purpose compost, in an air pot.
    I’m feeding it with a general purpose feed
    Attached Files

    Good morning Redtomato were all nice here....usually. Nice looking little tree. As the plant ages they will start using nutrients from the bottom shaded fan leaves to fuel new growth and flowering. Yours are just beginning the process.
    Grow # 3 50/50 S/I Critical Mass photo fem
    Seeds drop in water 1/8/2022

    Medium: FF Coco Loco plus 30% Perlite in 7 gal cloth bags
    Space: 30x48x62 DIY cabinet lined w/space blankets
    Lighting: Bloomspect SS1000 Quantum board x 3 - 300 watts actual draw
    Soil Supplements: Worm Castings, Crab Shell, Oyster Shell, Neem and Karanja Meal, Volcanic Basalt Dust (for minerals), Recharge root micros. Grow 3 is with reconstituted super soil to which I've added several additional minerals and supplements. A more complete list based on Cackamas Coots super soil recipe can be found in my Auto Toka thread
    i don't grow plants anymore, I grow soil that my plants can thrive in!
    My filtered tap water runs over 7.5 pH but the soil microbes
    make pH correction unnecessary
    Ventilation: Vipospar 4" Exhaust Fan w/RH controller, 12" Carbon Scrubber
    8" bottom intake fan, 6" clip on fan, 6" heater as needed
    Cabinet on screen porch. N AZ @ 4000 ft.

    My salute to all who have served
    Semper Fidelis!


    • Redtomato
      Redtomato commented
      Editing a comment
      Thank you TOKABIGONE! Is that still the case with random, different size leaves elsewhere on the plant?

      TOKABIGONE commented
      Editing a comment
      As long as it's not in the new growth it's pretty normal

    Nothing to worry about ! Really nice looking plant. Second grow - that is really good 👍🏻
    Good job
    Just because people are over 50 doesn’t mean they know everything.
    You can teach a old dog new tricks - But it will still think the old ways are the “best” lol


      She looks pretty good over all. I'd add a little cal/mag to her diet. What is the NPK value of your all purpose feed?
      5x5 Gorilla tent
      Spectrum King SK402 - 2× Optic XL1
      Infinity T8 exhaust fan
      Technaflora nutes
      Nectar of the Gods soil


      • Redtomato
        Redtomato commented
        Editing a comment
        Thanks PLreef
        It’s 4-3-8

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