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Back to Grow Questions
Brown spots
Kobe2400
started grow question 5y ago
My plants starting to have brown spots. It’s spreading pretty quick.
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Leaves. Color - Dark-brown
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Answer
MrBlocc420
answered grow question 5y ago
I will need more information or a picture will help . Brown spots sounds like calcium deficiency. I can be more helpful with more information good luck to you
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Similar Grow Questions
Solved
ekkoz897
Light burn, light burn due to humidifier water lights?
What do you think caused this brown color on that leaf? I have 5 leaves like that, all the others are ok. I believe it's due to pulverizing water and droplets acting as magnifiers for the light, causing small burns. Also, since they are burnt, should I just cut them out?
Week 7
Leaves. Color - Dark-brown
3y ago
4
6
Solved
EmeraldGrows
Leaf issues with 3 Pineapple Express Autos - is it burn or deficiency?
All 3 plants are having issues to the lower leaves. They are dried and brown blotches, brown edges of the leaves, leaves drooping off and curling down and brown. They switched to Canna Terra Flora two weeks ago - is this a over feed or deficiency?
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
2
2
Solved
QueenNitha
Help
What’s wrong with my plant?
Week 6
Leaves. Color - Dark-brown
5y ago
2
1
Solved
NIagaraFalls420
Deficiency issue/problem with leaves
Any idea what problem I’m having with my plant/leaves? I’m guessing some type of deficiency because I’ve only fed once and it was a few weeks ago. (Check photos in most recent week). Any advice/ tips would be awesome, thanks!
Week 7
Leaves. Wilting
Leaves. Color - Yellow
Leaves. Color - Dark-brown
6y ago
3
3
Solved
Salasasu
Blätter haben Flecken
Was könnte das sein 20/4 100watt Full Spektrum LED Abstand 35cm Full mix Erde Biobizz Blätter bekommen vereinzelt braune bis schwarze Flecken
Leaves. Color - Dark-brown
1y ago
1
Solved
PiusWaxis
macchie sulla foglia
mancanza di potassio? i need help.
Week 6
Leaves. Color - Dark-brown
4y ago
2
4
Solved
Troy_McClure
soil ph is erratic fox farm ocean forest : pro-mix (3:1) - ph 6.3-6.8 run-off ph: plant 2: 4-6 plant 1: 5-6.8 watering / feed ph: 6.3-6.45 soil ph after water /feed: 5-7 soil ph when dry: 7.5-8 both plants treated 100% the same phosphorus deficiency / ph imbalance help please
Week 10
Leaves. Color - Yellow
Leaves. Color - Dark-brown
Plant. Stem - Red or purple
6y ago
4
3
Solved
THC123
Brown/Gold Stripes?
What is this? I read it’s Mag deficiency, but I put more CaliMag in yesterday during the res change. PH remained the same as well, 6.0. I topped yesterday as well. Any ideas?
Week 4
Leaves. Color - Dark-brown
6y ago
2
3
Solved
meangreenmachine
Spider mites?
What do you think the problem with leafs are during my week 4? I have noticed the there was discoloration on some levels and somewhat looks like someone might be eating from underneath of the leafs.
Week 4
Leaves. Color - Dark-brown
4y ago
1
2
Solved
DeepWaterGrower
Do I need Cal-Mag or what? Brown stains on the leaves.
Do I need Cal-Mag or what? Brown stains on the leaves.
Week 1
Leaves. Color - Dark-brown
4y ago
5
5
Solved
NorCal311
I have a couple plants that have some leaf thing going on. I have not done a bunch of defoliation this grow and they are getting old. The pics from week 14 are original leaf's. Some of these leaf's got splashed during feeding
Week 14
Leaves. Color - Dark-brown
6y ago
4
2
Solved
TweetNL
Some brown spots showing on the top sugar leaves. I suspect it is due to the cooling fan of the light blowing down hot air? I've adjusted the fans to blow air directly over the top of the main cola's and I increased the light distance.
Week 9
Leaves. Color - Dark-brown
7y ago
1
1
Solved
AS420
Dark brown leaves
Hi, I'm at the end of flowering, I have about a week left before harvest and on one of my plants the leaves are turning a dark brown color. Do you know where this could come from?
Week 12
Leaves. Color - Dark-brown
4y ago
4
3
Solved
420SNoWfLaKe420
What’s wrong with her???
What is this some deficiency or something this plant has seemed sickly her whole Life and her same strain sister looks lovely
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
4
7
Solved
Nick567
do you have any ideas thanks in advance
do you have any ideas thanks in advance
Leaves. Color - Dark-brown
5y ago
1
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. Deficiences
Techniques. Topping
1y ago
1
Solved
Paul71
Help <3
Hello, im growin 2 NL auto, Day 32 VEG, only fed 50 gr of Easy Boost by RQS mixed in soil, nothing more. Soil is BioBizz LightMix. Temp≈ 29C on , 25 off. Average RH≈68%. I dont know which deficiency i have, also newer growth's leaves tips seems like burned idk. Thank you guys <3
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Color - Dark-brown
4y ago
4
Solved
ZipCap
Which deseas did my plant have?
One of the plants shows an illness. What can it be? I had previously sprayed the plants with water.
Leaves. Color - Dark-brown
6y ago
1
Solved
Dillsnills
Leaf septoria or jus a deficiency? I removed the affected leaves.
I jus removed these as a precaution, leaf septoria is what I was told this is in week 3-4 flowering ik it def will be stunted now I wiped my tent down w a wash cloth and hydrogen peroxide I did not want to use bleach, what should I do next?Keep an eye on it and hope for the best?
Leaves. Color - Dark-brown
Leaves. Other
Setup. Strain - Autoflowering
5y ago
3
3
Solved
CoughingKitty
Dark brown edges
Hi. I need some solid advice as to what could be causing my lower leaves to be turning dark brown on the tips and edges. When looking closely, the browning has a bumpy texture and what looks like a fine, grey powder. Excess, deficiency? Idk
Week 8
Leaves. Color - Dark-brown
3y ago
2
4