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    folding leaves

    Hello. I know I may get a variety of answers for this issue but bare with me lol. This is White Widow, germinated on Jan.8. She's about 14" tall right now, Here are the other specs:
    5 gal cloth, Coast of Maine Stonington Blend. Led lighting (Flora Gear S4 400w) 78 degrees and fluctuates between 48-55 humidity. (humidity can be adjusted to be higher or lower)
    Last feeding/watering was 2/19 due for another this coming Wednesday.

    The leaves, as you should see in photo are slightly folding (cupping) Is this a cal mag issue? Nitrogen or other nutrient issue? I don't THINK its heat stress the lights are at 20" above canopy and lights are not at 100%
    Attached Files

    #2
    Look into Vapor Pressure Differential. There is a sweet spot with temp and RH. 78F and 68-70%RH would be good. Looks stressed to me.

    Vapor pressure deficit (VPD) chart & calculator for horticulture in controlled environment. Cannabis, tomatoes, leafy greens, cucumber.

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      #3
      10 days seems a long time between watering to me. Do the bags feel dry and lightweight? Maybe they are ready for watering

      Comment


        #4
        Check out these trouble shooting charts. Both indicate light to close.
        Attached Files

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          #5
          Tacoing is usually too much light. The leaves are literally trying to avoid the light. Turn the light down, move the light back, and/or give the plant fewer hours of light. Less is more. The may be other causes but that's where I would start. Good luck!

          Comment


          • dirtymike
            dirtymike commented
            Editing a comment
            right on

          #6
          I think Fjeff nailed it.
          Back to playin in the dirt!
          Currently growing 8 Scarlet Grape. Check it out here:
          https://forum.growweedeasy.com/forum...dalone-journal
          I do not currently partake. I grow for fun. Someday!

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            #7
            My leaves taco on ocassion, just a few here and there and I dont worry about it.
            Check your climate, light and fertigation parameters, if they look good then your plant will be fine.
            your plant looks great by the way
            Grow Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting, fertigation and climate automated
            Lights: 2 x SF-7000, 5 x 30w 660&730nm supp. red boosters for flower
            Medium: Coco/perlite, 13gal pots for photos, 7.2gal pots ¾ filled for autos, no drains
            Current Grow: ​​​4 x Autos Franklin's AK47 x Red CBD, 2 x Autos Greenhouse Seeds Amsterdam Sweet Mango, 2 x Photos Franklin's Orange Zkittles x Sour Diesel. All feminised.
            Last Grow: 4 x photos, old school, 66 days of veg flipped 25 Feb harvested day 65F 3lb11oz.
            Previous Grow: Lots of big dead mouldy buds, medium and small buds made it, barely. Primarily indica traits from sativas.. Cured in glass jars.

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