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Yellow/dying leaves

H4john

H4john

New member
Hey all, im almost at my 6th week of flowering. One of my plants seems to have an issue. Lots of dying and yellow foliage and now i notice the new growth tips are brown, what should i do?? Is there a way to fix this and is this gunna hurt my final product?
 

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Hey there h4john, few questions what nutrients and how much are you giving it? And what about ph going in or out? And what kind of light and how far away is it?
 
What kind of strain are you growing are they autos? What's your pH what kinds of nutes? Some yellowing when the plant is ready is natural. If your sugar leaves are turning brown or yellow then it will still be good just won't look pretty. Maybe a little harshness. How close are your lights what's the temp and humidity? There are some things we need to know before we can address the problem.
 
Growing feminzed bad azz kush from barneys farm. Using a bloom enhancer, and dutch nutrients flower nutes. Icgive her 2.5 ml of bloom enhancer, and 5 ml of the flower nutes. Also add 1 teaspoon of calmag. Running a 400w hps, with air cooled hood and glass pane. Got it 1 foot above, humidity is low around 30, temps 24 to 25. Ph going in is from 6.5-7, closer to seven will get my run off ph to about 6.5.
 
Looks like a potassium deficiency light or nitrogen burn to me. Did you research your strain? Some strains require a lot more potassium. If you use RO or heavily filtered water or overwater you can get a potassium deficiency. But make sure it's not light burn raise your light if you can. The symptoms can look the same. Those look like they're getting really close without looking at trichomes. I would raise my light Idk about the nitrogen in your soil either I wouldn't give anymore nitrogen then what you have in there.
 
I think it's nitrogen deficiency personally, nitrogen burn would have really dark leaves with the edges burnt/clawing
 
Havent gave her nitro since veg. I have two other plants i have on the same feeding schedual and they arent exhibiting the same symptoms. Tried looking uo info hard to find though
 
Yes deadhead my mistake not nitro burn but deficiency. Still looks like the leaves are curling upwards and could be lighting. If the leaves are hard to pluck it may be light burn if they come off easy will be a deficiency.
 
Nitrogen deficiency is common late in flower. Sometimes can be a good thing just letting you know she's getting ready. Just watch your sugar leaves if you want pretty nugs.
 
Looks like nitrogen deficiency to me, on that plant, don't know why the others don't show.
You still got to use a little nitrogen, being you ain't used none since veg.Looks like some even crumbled up an died, from no nitrogen.
 
Looks like you answered your own question with saying you hadn't given her any nitrogen since she left veg.
I'll normally taper off to using no nitrogen through week 4-6 of flower. But cutting it early, especially before she stretches will put a huge strain on nitrogen stored up for the flush.
She needs nitrogen to put on growth especially for the stretch. After that you can taper off about 80%. She'll put in the most growth during stretch than she had the entire veg phase. Cutting the main thing she needs, when she needs it most, as you can see, will come back in the end to bite you.
 
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Well @walterman, if i would have known i was answering my own question i wouldnt have asked would i? Im admittedly a novice and this is my second grow. I did alot of reading and it seems people were torn between giving veg nutes for the first few weeks of flower or switching to flower nutes immediately. That was my experience in researching it so thats how it played out. As im a novice, i wouldnt see this as "something that will come back to bite me" but more as an opportunity to learn from a beginners mistake. I appreciate you sharing what your method is but remeber when you talk to folks among these forums not everyone is a long time experienced grower. I wouldn't needlessly waste people's time with questions i would know the answer too, and im a strong believer in using this forum at times when i feel like i need the help or advice
 
Thats what i hear once the leaves start turning yellow means its getting closer to being done. This is only one out of two other plants and their doing much better. Just hoping everything turns out ok. Thanks for your help and input its appreciated.
 
And no problem at all I made all the rookie mistakes I'm still on my first grow but researching is the key and asking questions never hurts, I am literally reading about growing 24/7 though hahahaha
 
Absolutely agree with you Deadhead91, i have no problems and never feel embarrassed to ask questions even if its simple knowledge to others. Im always reading as well whenever i have the time. Well glad to see you get into this, cannabis is one of the most interesting but beautiful plants out there. The way they look and function is unreal when you compare it to the way other plants grow.
 
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