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Back to Grow Questions
Nutrient Burn?
Toking12am
started grow question 5y ago
The Durban Poison is showing some color change in its lower leaves. Im thinking this is a nutrient burn from to much nitrogen. Would that be everyone elses conclusion?
Solved
Week 5
Leaves. Color · Yellow
likes
homerjgangia
answered grow question 5y ago
Hi mate ... it's for sure a little deficency of calcium or magnesium!!!! Good luck with your grow mate!💪💪
3 likes
Complain
Selected By The Grower
Toking12am
answered grow question 5y ago
Thank you all for the info. I will try adding some cal mag and update once I see some change.
1 like
Complain
Hashy
answered grow question 5y ago
Looking more like calcium or magnesium then nitrogen.
2 likes
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Hempy_The_Kid
answered grow question 5y ago
Possible start of magnesium deficiency.
2 likes
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Similar Grow Questions
Solved
Happyjack42
Nutrient burn?
Hello I have one plant with yellowing leaves that are also curling downward. Only one plant of 6 has this problem, I suspect maybe this one is just sensitive to the nutrient rich soil? I am using fox farm happy frog and have added no other fertilizer. What to do, flush all?
Week 5
Leaves. Curl down
Leaves. Color · Yellow
4y ago
2
3
Solved
LeastExpectedGrower
Vexatious yellowing I can't get to correct.
This Northern Lights auto is being vexatious...I can't get rid of the yellowing towards the bottom. Not overwatered, I've tried beefing up the nutrients, etc. with no effect. Any thoughts or do I just writing off as she's just being a jerk? Other plants in this grow are fine.
Week 9
Leaves. Color · Yellow
5y ago
2
8
Solved
Grower422
White Widow Automatic in soil
Watering every 3-4 days with about 1.75 liters, Drainoff Ph 6.8 Once a week feeding biobizz fertilizer, about 1/3 of the recommended amount. Grow, Bloom, TopMax, Active Vera, Bio Heaven. Since 1 week CalMg 0,5 ml/l It started 1 day ago, after watering and feeding.
… Show more
Leaves. Edges burnt
Leaves. Color · Yellow
2y ago
1
1
Solved
Mordeloth
burnt ?
I wonder what is the yellow on the leaf, is it caused by a drop of water when i was watering ? It appear before i even use nute. pĥ 6.2-6.5, 50-70 humidity and 25 degree
Leaves. Color · Yellow
6y ago
3
3
Solved
Patatone
Yellowing leafs.
Hello guys, my plant is now on the final weeks of flowering, buds are getting bigger and the leafs are getting yellow pretty fast. It's this last thing that scares me a little, I know it's completely normal due to flowering but I wanted to ear your thoughts about it. Thank you 😊
Leaves. Color · Yellow
6y ago
2
2
Solved
Don1daz
Leaf going brown
Is this a deficiency or a temp issue I'm at 79 during the day and drops to 65 at night the rest of the plant is fine apart from the bigger leaves
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Other. General questions
6y ago
2
2
Solved
psuperman
Deficiency or Overthinking?
Wondering if this is some sort of deficiency or maybe I’m overthinking? I know I overwater sometimes and I’m trying to get that under control however my other plant doesn’t look like this it’s more solid green. Temp is at 75 daily and humidity is 35-40%.
Week 4
Leaves. Color · Yellow
5y ago
3
2
Solved
Mancha
Need some help, I'm really lost
Hi people, need some serious help here. The new leaves look like sh¡T. They are kinda yellowish and the tops are necrosed. Some spots on the leaves too! I added some silica in the last water but I don't know if was the cause. Soil pH varies between 6.5 and 7.0. Any ideas?
Week 5
Leaves. Color · Yellow
Leaves. Color · Black or grey
4y ago
7
Solved
TheNoobDude
Nutrient lockout, ph imbalance or nutrient burn?
Unfortunately I don't have a ph meter, so my best guess is one or more of these problems: nutrient lockout, ph imbalance or nutrient burn. The first 3 photos are from an Auto Northern Light and the last 2 are from an Auto Jack Herer.
Week 6
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
1
1
Solved
Targona
Yellowed leaves with brown spots
Hello, I have a request. My leaves started to turn yellow and brown spots also appear on them. These are Blacberry Gum from Seed Stocker and Deimos from Buddha Seeds. Both plants are 67 days old and are Calmag Atami nutrients and Jungle Indabox set. Thank you very much.
Leaves. Color · Yellow
5y ago
1
2
Solved
infamous8803
Leaf discoloration
I just noticed some leaf discoloration. What could it be? Just entered 2nd week of flower using roots organic lush soil. Top dressed a week ago with terp tea grow and bloom. I use r.o. water also using urb and fish shit every now and then. Is this a deficiency?
Leaves. Color · Yellow
Leaves. Color · Pale
2y ago
1
5
Solved
canapato
Spots and dry leaves.
Help! I don't know what's happening to my Q1. There are spots on the leaves and some of the leaves are really dry. I didn't do the defoliation and i didn't LST so the plant is just going all natural. I feed her nuts from ATAI.
Leaves. Curl up
Leaves. Color · Yellow
6y ago
1
2
Solved
Kushk
Don't know what's causing
What would be causing this? I think the one pic with the limp leaf may be from intake fan flow. Also this is just on the bottom leaves. Thanks
Leaves. Color · Yellow
6y ago
1
2
Solved
southerngrower2020
Leaf damage and flower analysis
Asking for thoughts on leaf damage. I think there may be nutrient shock so I will be reducing PPM to 800 to see if that helps. I am confused by other problems seen on a few leaves. I also want to ask if I am getting close to harvest (check flower pics) since this is an autoflower
Week 6
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Other
7y ago
4
3
Solved
GEESTGROW
Yellowish color at the tips and wrinkles
My plant has been yellowing for a day now, I think it is a deficiency of some nutrient but I don't know what it could be, I have thought about buying NPK. At the same time, there are also a couple of leaves that have slightly wrinkled the tip and have been half lowered.
Leaves. Tips · Burnt
Leaves. Color · Yellow
2y ago
4
4
Solved
PostMaGrow
Gelbe Spitze
I have problems mainly at the tip and occasionally on the plant! At the tip, it's just the most noticeable... Could it be light burn?
Leaves. Curl up
Leaves. Color · Yellow
2y ago
1
1
Solved
DrBinoc
Magnesium or Nutrient Burn or?
Magnesium deficiency, or nutrient burn or??? Only on the lower leaves so far, curling down was existing genetics - but the burnt tips are new and some have even curled up now. Probably 5+ weeks left so too early for natural dying off?
Leaves. Tips · Burnt
Leaves. Color · Yellow
6y ago
5
4
Solved
weedoco
Yellowing Leaves in Flowering week 4
is it normal yellowing leaves in this stage ? or its phosphorus def? also some of the tips burned
Week 10
Leaves. Tips · Burnt
Leaves. Color · Yellow
Plant. Stem · Red or purple
4y ago
4
5
Solved
GregGrowsBlue
Delaying Senesence?
Delay Senescence in cannabis while employing a staggered harvest? Is this possible? I'm thinking about cherry picking my top colas as they are milky and starting to turn to amber. There are also new bud sites that I wish to feed and maximize yield.
Leaves. Color · Yellow
Setup. Strains · Photoperiod
3y ago
3
1
Solved
MrNice666
What could be the reason
What could be the reason? everything okay suddenly on day number five weird spots?
Leaves. Color · Yellow
Leaves. Color · Mottling
Plant. Other
4y ago
2