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Back to Grow Questions
Brown spots on some leaves
EvilGrower
started grow question 6y ago
Hello! I've noticed some brown spots on some of my leaves, localized to one half of the plant. Any ideas what this could be?
Solved
Week 7
Leaves. Color · Dark-brown
1 like
Soloism
answered grow question 6y ago
Magnesium deficiency?
1 like
Complain
Selected By The Grower
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Solved
GracelessGardens
Brown spots, light green leaves?
Any ideas? It's only happening to the sativa in my tent. The 2 indica's are fine . Been using 6.4pH clean water the last 2 waterings and letting it dry out good in between. Calcium deficiency??
Leaves. Color · Dark-brown
4y ago
2
Solved
GIPeN
Is this a problem?
I have some old leaves with a reddish tint around the leaves, couldn't find any nutrient deficiency/excess that matches, maybe phosphorus?
Leaves. Color · Dark-brown
6y ago
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Solved
Black_Magic
I got problems on lives I think it’s ph Bottom lives fingers getting brown on side like in the picture in diary Thx for helping
Week 2
Leaves. Color · Dark-brown
9y ago
3
1
Solved
ssfm_ssfm
Are those nutrient defficiencies? Which ones?
A plant had interveinal chlorosis on new leaves and then proceeded to show brown patches between veins on middle leaves. Another has coppery brown spots on leaf edges on the middle of the plant. Both were rootbound in living soil (peat/perlite/hummus + ammendments).
Leaves. Color · Dark-brown
Feeding. Deficiencies
Techniques. Topping
2y ago
1
Solved
RandoMan
Nutrition
I was at 800ppm going into flowering and was suffering from a cal mag deficiency. I addded c/m my ppm was up to 1500. Does this sound right? I am doing flood and drain hydroponics. Plant is 2 weeks into flower. What should my ppm be for 3 part nutrient general hydroponics plus CM
Leaves. Color · Dark-brown
2y ago
1
1
Solved
Soter
calcium deficiency?
I've notice some brown spot on one of the 3 Fat Bananas. I think it is due to calcium deficiency. I am not sure though, as this is the only plant of the 11 in the garden, which are having this issue . What do you think?
Week 4
Leaves. Color · Dark-brown
6y ago
1
3
Solved
Frm11001
No logro descifrar cómo arreglarlo - auto en DWC
4 and a half weeks since the start, pH 6.0, ppm 600, includes base nutrients + calmag + silicon + trichoderma. Same problem throughout the entire vegetation, in the 4th week I included calmag and more fertilizers and it seemed to improve but now it's declining again. Over-fertilization? Deficiency?
Leaves. Color · Dark-brown
4y ago
1
1
Solved
Marinik
Why leaves brown? (urgent)
Some leaves turn brown as in the photo. Leaves in the middle turn brown first, then bottom leaves. Now I try making larger lamp-to-plant distance and feeding less nutrients, but no good sign appears. Other conditions are stated in my diary. Why do you think it is?
Week 7
Leaves. Color · Dark-brown
6y ago
2
Solved
Tiz_aka92
Leaf issue!
Could someone help me understand whether there is a problem a deficit or an excess.
Week 4
Leaves. Wilting
Leaves. Color · Dark-brown
Leaves. Other
3y ago
5
1
Solved
Gemini_Grow
Manganese deficiency or rust?
Could it be manganese deficiency or rust? Few upper leaves are affected this ways showing some brown dots.. Could it be due to a PH fluctuation I had recently? Need some help
Leaves. Color · Dark-brown
Feeding. Deficiencies
7y ago
1
2
Solved
bypado_farm
deficiencies? mag/cal, N, P?
All the leaves from bottom to top are turning yellow... some of them have brown spots. mid-late stage def? Magnesium/calcium deficiency, nitrogen, manganese and phosphorus deficiency? Flushed all of them 1-2 weeks ago because of ph fluctuations Opinions?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
5y ago
6
6
Solved
RRuffin
Blattprobleme bei Pflanze (Wahrscheinlicher Kalziummangel?)
I have 2 plants in the tent and one of the plants is showing quite a few deficiencies. Many leaves are now yellow with brown spots. The other plant doesn't have these deficiencies, both were watered the same, etc. A few days ago, I used dolomite lime and worm castings.
Week 11
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
1y ago
7
4
Solved
bildo
What is causing my leaves to turn dark and dry?
I'm growing 3 Gelato #33 plants in a DWC 5 G bucket setup. Same conditions for all 3 plants, but one of them is experiencing dark spots on the leaves and now they are beginning to shrivel up and dry out. The newer growth looks okay, but might not last long. What can I do ?
Week 2
Leaves. Twisted
Leaves. Color · Dark-brown
7y ago
2
2
Solved
fraankiiee
¿Carencia o exceso?
Some spots have appeared on the leaves. Do you think it could be a deficiency or an excess?
Week 7
Leaves. Color · Red or pink
Leaves. Color · Dark-brown
6y ago
3
Solved
AlienScrOG
leaf !?... no real problem.. is it a stress due to excessive handling of fertilizers or the breaking of the field in stops and leaves for training?
good morning guys I noticed some burnt leaves I don't understand if it was a slight lowering of the level of the dwc ..because I noticed some slightly dry upper roots then I increased the level and after the roots improved ... I don't understand if that machine is due to stress o
Week 5
Leaves. Color · Dark-brown
Leaves. Other
Techniques. LST
4y ago
2
Solved
Saven
Week 8 Toof Decay Auto
What's wrong with the plant here? Deficiency? pH Problem? pH: 6.5-6.8 Watering: 1.5L every 3 days with Advanced Nutrients 3 part (4mL/L)+ CalMag (1mL/L) Light: 240W QB from Meijui at 18 inches
Week 8
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color · Dark-brown
6y ago
3
3
Solved
Greenlady
What happend? I just started feeding them yesterday with this, but the others are just fine.. Did i burn it? What should i do?
Leaves. Color · Dark-brown
7y ago
4
Solved
Boncoward
Brown spots and yellowing
What do you think this is? Nutrients deficiency or maybe soil ph. Happened overnight and the plants are a little dry but I just gave them water and nutrients. My ph tester has been broken so I’ve sorta been winging it with some ph strips.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
1y ago
2
4
Solved
koronkonko
Deficienty - what is it?
What is this symptom? Calcium? mostly middle section, autoflowering pH 6,4, day 45, soil, LED. Yesterday I foliar spray with cal-mag.
Leaves. Curl down
Leaves. Color · Dark-brown
6y ago
2
1
Solved
QueenNitha
Help
What’s wrong with my plant?
Week 6
Leaves. Color · Dark-brown
6y ago
2
1