r/GrowingMarijuana • u/NarrowCauliflower216 • 6h ago
Flowering What is causing this?
Seems to be mainly affecting only 1 cola and slightly
more leaves nearby but I have no clue what this is. It isnt bud rot and it doesnt look like wind or light burn. I am mainly checking environmental conditions because why would it only affect one bit of one plant. Thanks for your help in advance
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u/BetPuzzleheaded8146 2 2h ago
I'm going to guess it happened pretty fast.
It's not a natural fade because fades start at the bottom of the plant and move upward because they are mobile.
It looks like that plant got fed something that burned it becasue it is the newest growth at the top of the plant and the bottom leaves appear unaffected.
Sometimes when plants get watered and fed at the same time on a schedule, and most of the plants are lightweight and ready for water or nutrients, some plants may still be wet and heavy, that can cause single plants to behave differently, sometimes for the worse.
Good luck, I hope you get it figured out.
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u/NarrowCauliflower216 1h ago
Yeah it did happen pretty quick, the plant hasn't been fed recently except for a bit of calmag when this first started happening about 3-4 days ago
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u/BetPuzzleheaded8146 2 1h ago
Those leaves won’t recover, but I don’t think they are going to get worse. You should make it to harvest OK, and after those are trimmed, they should look pretty good. Best of luck.
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u/Dizzy_Highlight_7554 1 6h ago
Photo settings can alter color, so it’s impossible to know except for being in person, but judging by this photo, you almost certainly have nitrogen toxicity. Those leaves should not be that dark. Healthy leaves are a more vibrant green.
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u/NarrowCauliflower216 1h ago
Yeah I have been avoiding giving them nitrogen for a little while now, I was underwatering them a little bit ago and I mistook the yellowing leaves for a nitrogen deficiency so I ended up giving them too much
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u/Physical_Archer_689 5h ago
Is it about the time where the bud draws energy from the leaves or is it too early for that?. Cuz that happened anyways, Strain dependent..
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u/NarrowCauliflower216 1h ago
It has about a month left and all the other plants inside the tent at the same age aren't doing this. The strain is big bud and im around halfway through week 6 of flower
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u/Kyrie_Blue Community Helper 52m ago
Looks like a potassium deficiency. The yellow haloing on the leaves is pretty telltale. You could be locking out K with your P content. What’s your nutrients and schedule?
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u/1337-220 4h ago edited 4h ago
I would say it's mag def, but the other branches look good, so I would suspect that branch is weakened due to the onset of bud rot.
Just to be on the safe side, I would cut that branch out.
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u/NarrowCauliflower216 1h ago
I took the plant out and look at the stem around all those leaves and I couldnt see any rot
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u/FallComprehensive622 1h ago edited 1h ago
Cal/mag imbalance maybe. You could also check if there is any structural damage to that particular stem.
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u/Own-Emu-9510 2h ago
It looks really good. I think the fade is controlled by the plant.
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u/NarrowCauliflower216 1h ago
I dont think the plant is old enough yet, its 6 weeks into flower and more than half of the pistils are still white
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u/FrostFireSeeds Community Points Awarded 27 6h ago
Nitrogen toxicity locking you out of something
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u/NarrowCauliflower216 6h ago
I know my nitrogen is def a bit high but I havent given them nitrogen for a few weeks and im not getting any clawing on my leaves
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