dark leaves

  1. P

    Leaf darkening mystery

    Someone should be able to recognize this, and it happens on a repetitive base, with different strains. Right around week 4-5, there is a sudden darkening of the canopy that happens literally overnight. One day they are all light green and lime and the next they get dark and remain that way...
  2. P

    Stunted growth - a repeating problem I can not solve.

    Dear fellow growers, I need your help to figure out a problem with my plants that has been following me for the last 6 grows. I am running a mid-sized operation and It is a repeating problem that I just can’t seem to understand and resolve. It all goes normal with the seedlings, they are...
  3. M

    Black leaves and color variations?

    I got these girls going (pkmog) platinum kush mints x og. 80% peat and perlite 20% ew castings and compost. Added 2 cups per cu tomato tone, and 2 cups per cu build a soil craft blend. I let it all bake for a month turning weekly. Plants are growing but the leaves are a bit rough and some very...
  4. B

    Please help diagnose what’s up with my plant

    Current set up 8 inch outtake fan 6 inch inline fan Coco perlight 70/30 Flora trio Week 7 Under 600w hps currently down to 400w due to heat Ph to usually 6.5 Current run off is around 6.2 / 5.7 different plant Some leaves are very dark others quite light and turning yellow
  5. M

    Tan spots on fan leaves. Leaf Septoria, phosphorus, or ph fluctuations??

    Hello, Trying to figure out what these yellow spots are on my fan leaves. They are whitish/tan and all over the fan leaves. My leaves are also dark green and slightly drooping. I don't see any insects or critters running around on them. Leaf Septoria - Anyway I could verify this might be a...
  6. M

    Aggressive Pre-flowering or flowering? + tan/white spots + dark drooping fan leaves

    Hello! I'm growing the Royal Gorilla in my hydro system and a few weeks into the grow it started pre-flowering and thought nothing of it but as time progressed the plant started getting covered in trichomes, and calxyes.The plant also in the past few weeks started getting white/tan spots all...
  7. TwistedReaction

    Leaves turning darker: Flowering start of week 9 (8-9 week flowering recommended)

    Hey Guys, I'm pretty close to harvest so wondering both for now and future grows as there probably is not much I could do in the next week or so. I'm growing Green Crack CBD and they are maybe a week out even less from harvest. I know leaves tend to go first but two out of the 3 plants are...
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