Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Buttercup726
Co2 poisoning?
2
Replies
27
Views
11K
Aqua Man
Aqua Man
IceR
Browning of the leaves, please some advice
Replies
6
Views
1K
SonOfAStoner
SonOfAStoner
Rogrower
Russet mites and broad mite ? Gutted I've done this
Replies
15
Views
2K
Dirtbag
Dirtbag
JadedMarxist
Got a little problem with an ethos MC
Replies
3
Views
709
Habosabin
Habosabin
LARAMKINGS
White Substance UNDER Leaves Help
Replies
2
Views
752
LARAMKINGS
LARAMKINGS
Ngrow20
Need some help diagnosing issues
Replies
3
Views
503
Poekie
Poekie
elduderito
Need Help with Pest ID - aphid nymphs?
Replies
0
Views
585
elduderito
elduderito
Jollyfritos123
Need help with seedlings about 3 weeks old
Replies
1
Views
534
BigCube
BigCube
saalim13
Has anyone seen this before?
Replies
14
Views
1K
saalim13
saalim13
Coconutk
Wind or nutrient burn problem?
Replies
2
Views
563
mysticepipedon
mysticepipedon
biggerbud420
Middle of 8th week is thia a nanner
2 3
Replies
41
Views
4K
BurnzYzBudZz
BurnzYzBudZz
gomicao
One of my plants is a hermie, week 8 flower, what to do?
Replies
10
Views
10K
gomicao
gomicao
Freaky75
Dificancy trouble please help me .
Replies
8
Views
996
Freaky75
Freaky75
Chov
Need help with diagnosis FLOWER DAY 32
Replies
4
Views
914
Baztan0815
Baztan0815
Baztan0815
Just noticed yellow tips pointing up
Replies
1
Views
684
Baztan0815
Baztan0815
Hookcash87
Do i have a problem??? Please help
Replies
1
Views
354
Lisa22
Lisa22
Freddyfox
Please advise on issue I have
Replies
14
Views
1K
Freddyfox
Freddyfox
StankStirr
How to address unintentional extended dark period for mother plant? How will she react?
Replies
4
Views
739
StankStirr
StankStirr
Symbioid
Looking for some friendly advice
2
Replies
27
Views
1K
chemistry
chemistry
DavidMykel
Peroxyde in your plants is good
Replies
3
Views
306
Ar.BsG
Ar.BsG
Pjtime84
Yellowing leaves no clue what it is.
2
Replies
23
Views
3K
Pjtime84
Pjtime84
biggerbud420
1 bud looks different from the rest
Replies
12
Views
931
biggerbud420
biggerbud420
ZasinZebra
Late flower P deficiency - Increase nutrients, stay the course, or final flush?
Replies
6
Views
2K
Beachwalker
Beachwalker
Farmland123
Multiple issues. Please helpp me
Replies
2
Views
539
Madmax
Madmax
BFS
Interveinal yellowing - I think a Magnesium Deficiency
Replies
6
Views
1K
BFS
BFS
eebwen
Soil runoff test is bad
2
Replies
23
Views
3K
Beachwalker
Beachwalker
Andy
Weird shiny stuff on leaves and curling
Replies
5
Views
2K
gorillaglueaaron
gorillaglueaaron
Subaru2k13
Dying? Maybe? Idk lol Help..
Replies
4
Views
474
Subaru2k13
Subaru2k13
JadedMarxist
Weird leaf curling only one plant
Replies
4
Views
569
JadedMarxist
JadedMarxist
GreeneGrower
Is she dieing? Need some advice. She seems strong...
Replies
8
Views
870
chemistry
chemistry
ErthnGarden
S.O.S what's going on with these leaves!? Please help me :)
Replies
8
Views
807
No3r
No3r
Capulator
Leaf serrations curling up?
2 3 4
Replies
67
Views
66K
Slickrick82
Slickrick82
kyle57843
Please help i have nitrogen toxicity
2 3
Replies
50
Views
4K
beluga
beluga
Drewzart
Is this mold spores or not
Replies
7
Views
555
Drewzart
Drewzart
Friendlytoad
Is this nute burn or deficiency?
Replies
2
Views
456
mysticepipedon
mysticepipedon
Buttercup726
Can anyone tell me what’s going on with my leaves
Replies
4
Views
342
Buttercup726
Buttercup726
IceR
Could these Dark Brow Spots be Leaf Septoria?
Replies
7
Views
1K
Beachwalker
Beachwalker
rockcube69
Yellow leaf tips over or under feeding?
Replies
1
Views
489
TripsRabbit
TripsRabbit
Sampagani
Northern Lights Auto harvest time?
Replies
2
Views
2K
lipifarmer
lipifarmer
Homegroan
Please help, killed first grow and apparently killing second now
Replies
4
Views
685
Homegroan
Homegroan
cptbingo2000
Please help me determine if something is wrong with my gg4 autoflower
Replies
5
Views
1K
cptbingo2000
cptbingo2000
roy1371
Led light? Name or where to find..bought from someone on offer up
Replies
2
Views
282
roy1371
roy1371
ThatCrazyStonerChick
Please assist me? Ugh
37 38 39
Replies
767
Views
47K
oldskol4evr
oldskol4evr
Sampagani
Northen Lights auto stretching problem
Replies
2
Views
745
Sampagani
Sampagani
Alpaca
spider mites! ;-; help me pls
Replies
6
Views
906
Alpaca
Alpaca
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