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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
Similar Grow Questions
Solved
GrowerEagle
girls are crying for help
I had problem with my plants. i asked here and people said it was potassium problem. i gave just water with calmag. now they look more unhappy. do you guys have any idea?
Leaves. Color · Dark-brown
4y ago
5
7
Solved
sl0pe
Nitrogen Deficiency or Nutrient Lockout?
My plants are showing red / purple stems as well as some rust spots in some of the older leaves. Nitrogen deficiency? Or lockout due to too much fertilizer?
Week 4
Leaves. Color · Pale
Leaves. Color · Dark-brown
2y ago
3
3
Solved
koronkonko
What is this symptom? - Leaves
Hi Everyone! my girl is getting more and more yellow with brown dots/spots, starts symptoms one week ago. I gave her CalMag five days ago but is not better. Please, help. What is it? More photo in diary,
Week 8
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
1
2
Solved
Luis274
To live starting to turn brown and light color
Can someone tell me what is wrong With this gorilla cookies are
Leaves. Color · Dark-brown
6y ago
1
2
Solved
StDeacon
Can anyone tell me what that is?
Hi folks, can any of you tell me what kind of problem she has?
Leaves. Color · Dark-brown
6y ago
1
Solved
Misanthrope
Noob grower
Gorilla Bomb, outdoor grow, directly in soil, Miracle Gro 20-20-20 once per week. In the past few days, leaves have developed brown to black spots that start at edges and spread inward. I have 1 Green Crack under identical conditions and another GB and GC in outdoor pots
Leaves. Color · Dark-brown
5y ago
4
Solved
SLuGGeRNauT_420
Now wtf
Now with is wrong too much cal mag I didn’t have time to veg the small plants longer the older plants vegged for 2-3 months I had to flip so I have a bunch of smaller plants over night the leaves dried and crispy
Leaves. Color · Dark-brown
5y ago
4
5
Solved
BigAdy
Is this a nute problem ? Brown spots at the top of one plant 4th week of flower
One of my girls has started to develop brown patches at the top of the plant in the 4th week of flower. Only seems to be one girls so far (out of 9). Soil PH seems ok and Im pretty sure its not nute burn. Appreciate any thoughts
Leaves. Color · Dark-brown
Leaves. Other
Feeding. Deficiencies
8mo ago
1
4
Solved
balansa
hi there
need help. its not rast fungus. itin about cal-mag defficiency.
Week 6
Leaves. Color · Dark-brown
6y ago
2
2
Solved
lovely_neighbours
Brown black spot crispy edges
I need help! Northern Light has Reddish brown spots turning dark-gray and crispy dark edges on the top leaves! It looks like a different issue from week 6 where gray spots appeared on the bottom leaves? Any ideas? Thanks
Week 8
Leaves. Edges burnt
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
5y ago
2
2
Solved
Shotiie
Still deficiency? Or wrong diagnosis?
Hi I have a cal mag deficiency it appears? I gave her some calmag yesterday about a half liter (from a gallon/5ml dose) bc she's already wet. How long does it take to correct this? I also have been spraying the leaves. OR did i diagnose wrong?
Leaves. Color · Dark-brown
5y ago
2
Solved
Themaryjanelounge
The fan leaves on the stardawg have brown spots that seem to be occuring on most the fan leaves, please see attached picture? any ideas? no ph fluctuations, bio bizz grow and bloom are only nutes.. No other plants showing symtoms in the same tent..
Week 4
Leaves. Color · Dark-brown
5y ago
3
1
Solved
TiRobotProds
Tâches brunâtre
Brownish spots on the lower leaves of the plant, what’s happening to this lady?
Leaves. Color · Dark-brown
5y ago
2
Solved
growbie
Brown dots on leaves
Leaves I really dont know whats going on... Something is wrong. It looks like leafs are burned by over feeding, but i only used mycorhiza. Does anyone know what happend? Or any advice how i can fix it?
Leaves. Color · Dark-brown
7y ago
2
1
Solved
Kjf_grows
Help, first time with autos
My ladies are 11 days old and I woke up to this. Last fed 2 days ago with a and b by coco at 50%, ph at 5.9 I have done a quick flush and the run off came out at 6.1 temps are a constant 25°c with a humidity of 60%. All plants are currently under a 400w mh bulb.
Leaves. Color · Dark-brown
5y ago
3
Solved
SpritzPetrus
Brown spot on leaf
Hi, do anyone have idea of what caused the brown spot on the Fat Banana leaf?
Week 2
Leaves. Color · Dark-brown
6y ago
2
2
Solved
local____host
Browning of leaves, heat burn or pests?
Plants are showing signs of browning, and other weirds leaf markings, kind of grey-ish not too pronounced. It's been very hot and sunny here for 5 days, temps reaching above 37°. I left them in the sun during this period, is it heat stress? Otherwise growing nicely.
Leaves. Edges burnt
Leaves. Color · Dark-brown
6y ago
1
Solved
DabblingDoggo
Brownish Spots on 2 Older Leafs. Young plant.
I searched it up before posting this and what I found is: Leaf spot, canker, and fungus: Brown leaf spot, Yellow leaf spot, Cladosporium stem canker and Chaetomium fungus. Solutions I found in the comments below. What do you guys think? Can it be heat (a lot of hot days here)?
Week 2
Leaves. Color · Dark-brown
Other. General questions
3y ago
5
5
Solved
CanaryGrow
Leaf issues
Looking at the leaves, what you think is the issue with this plant? every single morning i have couple of totally yellow leaves at the bottom, edges are getting dark green and then dry. I flushed the plant but didnt see any improvement. I have 2 more plants that are doing great.
Week 14
Leaves. Curl down
Leaves. Color · Dark-brown
6y ago
2
2
Solved
Luna91
Leaf tips are browning
Hey everyone, What is going on with these leaf tips? It’s the third day of their Flush & it can’t be NutBurn, or the color of tips doesn't look like NutDef! Is it light stress? If this de-coloring continues, will it affect the buds & final yield? Thanks
Week 12
Leaves. Color · Dark-brown
6y ago
2