Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
N
Experienced tent growers, does this plant look normal?
Replies
13
Views
851
Grower1974
Grower1974
The_Greenist
Who has a few unhealthy plants?
2
Replies
23
Views
1K
The_Greenist
The_Greenist
V
HELLLP PLEASE!!! New grower here.
2
Replies
22
Views
1K
cannafarmer420
cannafarmer420
J
vpd vs lst vs ec check
Replies
4
Views
385
cannafarmer420
cannafarmer420
JGrows
Wtf is wrong with my plant?? Pls help
2
Replies
20
Views
1K
Bilbobaggins
B
K
Possible deficiency or light burn?
Replies
6
Views
497
the rrock
the rrock
E
yellowing leaves one month old autoflower HELP.
Replies
7
Views
679
emma.dir
E
N
2 sick plants, heat, nute or bugs?
Replies
3
Views
365
NotMeGovner
N
hakop
Is this a deficiency? Nute burn? Or ??
Replies
7
Views
478
hakop
hakop
J
Looks like leaf burn from lights....
Replies
9
Views
644
Gmix
Gmix
E
Two flowers with early problems
2
Replies
25
Views
1K
Experimental8
E
H
New grower needs help with small closet grow
2
Replies
37
Views
2K
yourtreeshugger
Y
cannafarmer420
What is the ideal tent temp?
Replies
4
Views
387
cannafarmer420
cannafarmer420
J
Brown spots on plant?! Help please
Replies
4
Views
570
DR.PNW
DR.PNW
L
Nutrient , light or PH problem?
Replies
8
Views
631
LoveGrowingIt
LoveGrowingIt
T
Unnatural curls, can’t figure it out
Replies
12
Views
801
Tedmarx38
T
greenbliss
Help identifying CalMag early deficiency
Replies
7
Views
735
Gmix
Gmix
T
Have a problem! Please help!
2
Replies
20
Views
830
TruDruid
T
Rama777
Any idea what the heck these are?
Replies
6
Views
434
Rama777
Rama777
Rama777
I think I have an emergency :((
2 3 4
Replies
63
Views
2K
Rama777
Rama777
R
Phosphorus deficiency or colour changes?
Replies
8
Views
771
yammie6r
Y
H
Lockout or a nutrient deficiency?
Replies
2
Views
522
HydroDawg421
H
Rama777
Septoria, deficiency, neither, I don’t know?
22 23 24
Replies
465
Views
15K
Rama777
Rama777
Growguy1254
Broken Timer Stayed on for 40 hours. Day 20 flower
2
Replies
24
Views
6K
Gmix
Gmix
NateGrows
Manganese or Potassium deficiency? Thoughts? Pls help❤️
Replies
15
Views
661
NateGrows
NateGrows
J
Leaning plant with some stretching.
Replies
3
Views
501
jdog22
jdog22
jdog22
here's a different one, do i need to help the plant ?
Replies
2
Views
376
jdog22
jdog22
J
Hey, Is everything looking good to you guys?
Replies
15
Views
892
jdog22
jdog22
M
First time and I’m feeling lost.
Replies
19
Views
1K
JKash
JKash
K
Bottom leaves drying out and spotting
Replies
5
Views
599
Bdubs
B
A
Leaf Issues in Early Vegetation
Replies
8
Views
555
3cats
3cats
C
Help needed with brown leaves
Replies
5
Views
549
jdog22
jdog22
thehighguy
New growth is showing signs of stress and deficiency
Replies
10
Views
728
cannafarmer420
cannafarmer420
The_word
Help please!! Spots on leaves
Replies
9
Views
639
Zdoor
Zdoor
TomTom420
Problem girls need a proper diagnosis.
Replies
5
Views
603
Imzzaudae
Imzzaudae
H
Scratchin my head looks like iron deficiency
2
Replies
21
Views
1K
Kennethcherrynewton
Kennethcherrynewton
T
I created a cannabis GPT
Replies
1
Views
633
cj_aeratos
C
D
Mystery Disease Strikes on the Edge of Harvest! I Have Microscope Pics! Helppppp meee!
Replies
7
Views
470
GNick55
GNick55
D
White mildew? Hitting the trash
Replies
4
Views
332
hilbert
H
C
Need help with potential problem. Seedling help
2
Replies
25
Views
1K
Choppr
Choppr
jdog22
new to growing please help
2
Replies
28
Views
1K
jdog22
jdog22
budderface
Hydroponics Nutrients and Newbie Questions
Replies
5
Views
448
budderface
budderface
budsofgeorgia
how to fight light burn
2 3 4
Replies
72
Views
5K
Sunasun
Sunasun
R
BUD ROT = WHOLE harvest trash?
Replies
18
Views
1K
jadins_journey
jadins_journey
C
New grower in distress! HELP!!
2 3
Replies
47
Views
2K
JKash
JKash
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