The Grow Awards 2026 🏆 
Nutrient Burn?
Toking12amstarted 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?
likes
homerjgangiaanswered grow question 5y ago
Hi mate ...
it's for sure a little deficency of calcium or magnesium!!!!
Good luck with your grow mate!💪💪
Toking12amanswered 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
Hashyanswered grow question 5y ago
Looking more like calcium or magnesium then nitrogen.
2 likes
Complain
Similar Grow Questions
Solved
Lloyd_Jones
Nute Burn? Or something else?I'm seeing a lot of yellowing and dead/curling leaves on my girls. I thought it was nute burn so my last 3 waterings were nute-free, CalMag Only and pH'd. It seems to be getting worse. Could this be something else? Any advice is greatly appreciatedLeaves. Curl up
Leaves. Color - Yellow
5y ago
3
Solved
OrganikTek
Light Stress, Colors Change, strong fan or Senescense?Shes now turning red and fatning buds. Shes yellowing dont now if its light stress(her lst is 27/28c, vpd about 1.2 day 600 night and ppfd about 600 and i event gave her so much CO2 now) color changing, string vent or senescenseWeek 7
Leaves. Color - Yellow
5y ago
4
4
Solved
Tucsonfrank
Yellowing/browning near veins of leaves during 4th week of flowering?This is my 4th week of flowering. Should I be concerned about the yellowing/browning near the veins of the leaves. Some small ones are dropping on their own as well.Leaves. Dropping off
Leaves. Color - Yellow
5y ago
2
2
Solved
ivanosch
Dry yellow and brown leavesAll plants get same nutris and water, what is the problem with some of them?
Need help
600ppfd
69 f
55-60 humi
Ec 1,2 plagron grow + root powerLeaves. Color - Yellow
Leaves. Color - Dark-brown
1y ago
3
Solved
THC_Hazeman
Yellow lower leavesGuys/girls please help!
Lower leaves have started getting yellow. I really don't know the issue.
Is it of nitrogen deficiency? A lot of you have told me that 4ml of fish juice is a lot, so is there a possibility of nutrient burn? How can save her?Week 4
Leaves. Color - Yellow
3y ago
1
2
Solved
TheDoctor
Nitrogen deficiencyHi!
My LSD and the Blue Gelato 41 start to develop some yellowish patches on the leaves... Do you know what it could be?
for me it looks quite like nitrogen deficiency but i'm not sure... Should i try to take care of it or should i leave them like this in their final 2 weeks?Week 13
Leaves. Color - Yellow
6y ago
6
4
Solved
Verbalist
Problems on leavesOver watering, nutrient defiency or?
Backup info: I basicly nute burnt my plants 2 weeks ago, then I changed my growing medium (market soil) to another one with lower Nitrogen & Pottasium values and flushed to whole soil (15l soil) with around 20l pH balanced water. whats up now?Leaves. Edges burnt
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
2
Solved
Russdog
Hi guys, new to this game first grow so looking for advice and guidance, the pics are my northern light auto 17 days in, I'm happy with size I think, just concerned about the bottom two leaves that are slightly yellowing, any advice most appreciated.Week 2
Leaves. Color - Yellow
6y ago
3
3
Solved
AUTOASSASSIN215
Heat stress or Root rot ??Hey my 7 month old plant not doing too good the leaves are turning brown and crispy Might be heat but then again Might be bud rot and it’s spreading like wild fire also i notice not a lot of flowering growth idk weather to chop it down or keep fightingLeaves. Tips - Die
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
2
Solved
BongRip
Deficiency? Pls Help!These spots started to show up 3,4 days ago before I even topdress my plants. I topdress it, also increased nutrient a little bit, but it doesn't seem to go away. The stems are a little red. Is it P deficiency? What seems to be a problem here!??Week 8
Leaves. Color - Yellow
5y ago
4
8
Solved
6ix6ix6ix
(Mimosa auto in coco) Yellowing tips on new growthThe top of the plant (new growth) is showing some unhealthy signs.
The tips of the leaves are yellow and there are lighter green stripes on the leaves themselves.
I googled and the signs match to a number of deficiencies, but i lack the experience to diagnose correctly. Plz help3y ago
2
3
Solved
Bizio
Pruning dilemmaI am noticing that some leaves are turning yellow at the very bottom of some plants, I think that there is not enough light coming through. So my question is (I did only LST and FIM --> on the main branch on every plant) should I start to prune some branches to empower top part?6y ago
4
4
Solved
MrGrowthSpurt
Please Help me Help a Friend.So a buddy of mine is growing outdoors, I'm growing indoors, we both are newbs, one of her plants is yellowing and decaying badly and she said she feeds 1 to 2 times a week rain water with no nutes and she doesn't ph the water. What could be the issue?Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
4
4
Solved
Panacelsius
Why this happens? Leaves turning dark to yellowAfter water + applying fertilisers BioBizz flowering week 4 (see chart) the leaves turned dark and in a few hrs started yellowing. The runoff EC usually is a little lower than solution EC. pH around 6,25-6,5Leaves. Color - Yellow
1mo ago
12
10