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Harold_Halibut
Harold_Halibutstarted grow question 4mo ago
Hi every1๐Ÿ‘ฝ๐Ÿ˜ŒStarted week 7 of flowering today. How do they look to you? Is there anything I should pay special attention to? I think I may have overfed or overwatered them last time - Iโ€™m not sure which one - which could explain the leaf damage. What do you guys think overall?
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Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
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wolfvb
wolfvbanswered grow question 4mo ago
Salam Harold_Halibut! ๐Ÿ‘‹ Congratulations on making it to Week 7 of flower, Habibi! You are right at the finish line. ๐Ÿ Let's look at those leaves through the lens of Modern Engineering to solve your mystery between overwatering vs. overfeeding. ๐Ÿ› ๏ธ The Diagnosis: Nitrogen Toxicity + Light Stress The "Claw": Notice how your leaves are very dark green, look slightly glossy/shiny, and the tips are hooking straight down? That is the classic sign of Nitrogen Toxicity. In Week 7, your plant is focusing 100% on building buds and needs almost zero Nitrogen. When it gets too much, it stores it in the leaves, making them heavy and toxic, which causes that "claw" shape. (If it were overwatering, the entire leaf stem would droop like a wet towel, not just the tips). ๐Ÿฆ… The "Canoe": You also have some leaves where the edges are curling upward to form a V-shape. That is the plant's mechanical way of hiding from the light because the photons are slightly too intense right now. ๐Ÿ›ถโ˜€๏ธ Your "Finish Line" Protocol: ๐Ÿš‘ The Feed: You definitely overfed, but do not panic. Drop all Nitrogen from your feed immediately. Give her either plain pH'd water or a very light dose of strictly PK (Phosphorus/Potassium) for her next drink. Let her eat the food she has already stored in those dark leaves! ๐Ÿ’ง The Light: Dim your grow light by about 10-15% or raise it up an inch or two. In these final weeks, the plant's "solar panels" are getting old and cannot handle maximum light intensity anymore. ๐Ÿ’ก Back off the food, dim the lights slightly, and let her swell! You are going to have a great harvest. ๐Ÿš€ Happy Growing! ๐Ÿ’š
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Trichoma
Trichomaanswered grow question 4mo ago
Leaves show a bit of dripping here and there which indicates slight overfeeding but thereโ€™s no significant leaf burn on the tips except in a few spots, thatโ€™s usually how it starts if it becomes problematic. The light discoloration is more likely due to a calcium/magnesium imbalance or deficiency, itโ€™s definitely missing some magnesium, which is causing it to lose color as well. Iโ€™d also recommend checking the leaves below to ensure there are no mites or thrips active as well, itโ€™s a bit hard to tell from images. What I can also see in some images is that the buds are receiving too much light! This is visible because the edges of the leaves curl inward (upward) to reduce surface area, a sort of self-protection against light stress.
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Tower84
Tower84answered grow question 4mo ago
Maybe some thrips issues - I would check the bottom of the leaves with a magnifying glass.
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BigAdy
BigAdyanswered grow question 4mo ago
You might have a slight bit of nute burn but you can't be that far away from flushing them
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BigAdy
BigAdyanswered grow question 4mo ago
Hey Harold Looking good. The only thing I would suggest next time is to trim out more of those fan leaves. I suggest lollipop them (strip out everything below the waist) just before going into flower and then trim out the fan leaves about 3 weeks in. You'll be amazed at the difference it makes to your yield Other than that, a good grow ๐Ÿ‘
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oldskoolkool
oldskoolkoolanswered grow question 4mo ago
Nutritional needs do not drop off at week 4-5 apart from Nitrogen.The need for P and K will increase at week 5 which is why most bud boosters are to be given from wks 4-6.I guess they'll be crying out for more P Phosphorus and K Potassium now.It depends how long its got left to flower.It looks like its got around 3wks to me.They put the most weight on 3wks before harvest.This is when they'll need the extra P and K.I guess they'll be on that wk3 now.Have you seen a sudden increase in size this week?They'll be taking the nutrition out of the leaves so you'll see your leaves loose their colour.
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00110001001001111O
00110001001001111Oanswered grow question 4mo ago
overwatering shouldn't be thing unless you are not allowing enough dryback between. You should always fully saturate. that is never overwatering. If it's soilless, should get 10% runoff or more anyway. You guve the volume to accomplish the task, not some predetermined volume.. you only learn it retroactively and only if you trigger an irrigation at same loss of weight from the pot / same dryback. Will never overwater following these simple practices. Anything negative occurs, it's the fault of how the medium is constituted and nothing else. Add more perlite or simialr, if so. More than one thing can cause tip burn. Maybe too much P. Some plant slook a bit on the lush side. Think the other symptoms coinciding could be P inhibiting other elements of nutrition. Also, have to make sure it's not coninuing to get darker. (excludes temp related purples). I see some glossiness and clawing. If it keeps getting a darker green, definitely back off on at least N if not a dilution across board of any fertilization occurring. Once leaf growth and stem elongation ceases ~4-5 weeks into flower, nutritional needs drop quite a bit, plus you should have leaves well-stocked at that stage, too. Once i see that lushness creep in, i dial back to a well-balanced 500-600ppm diet, but that's soilless/hydro context that won't directly apply to soil. same dynamics occuring underneath, though. Don't want that canopy degrading too much before it can ripen.
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