Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Sticky Threads
We Solidarity
  • Sticky
Dudded, Stunted, and Runted plants...
48 49 50
Replies
981
Views
223K
BuffNuts
B
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
7 8 9
Replies
161
Views
72K
JKash
JKash
We Solidarity
  • Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
471
Views
227K
Scolymia7
Scolymia7
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
22
Views
53K
Jmaes Mabley
Jmaes Mabley
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
199
Views
75K
shaganja
shaganja
mace
  • Sticky
Read Me First
Replies
19
Views
16K
Xakmo
X
K
  • Sticky
i need suggestions on a good microscope
2 3 4
Replies
76
Views
36K
Aqwut
A
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
177
Views
67K
Judaz
Judaz
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
127K
smokedareefer
smokedareefer
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
7K
1stonedman
1stonedman
Normal Threads
S
please help i’m a new grower and i’m worried for its health
Replies
2
Views
28
jetbtkng
jetbtkng
SupaC
Tired of chasing my tail around!
Replies
10
Views
149
stanknkatz
stanknkatz
S
help! i split my stem by accident i dont know what to do or how bad it is
2
Replies
38
Views
601
Stokes
Stokes
O
Small Brown Spots - Feminized
Replies
0
Views
35
Omaha101
O
S
i’m not sure if there’s anything wrong with my plant,
Replies
0
Views
32
sebreed
S
B
Plant is changing colors help
2
Replies
23
Views
408
GNick55
GNick55
X
Pollen sacs appearing late in flower on autoflower blueberry?
Replies
2
Views
87
xrevolutionx
X
ChuckFinnl3y
Spots, Yellowing and bright new Growth
2
Replies
23
Views
514
ChuckFinnl3y
ChuckFinnl3y
R
Root Rot and/or Nute Burn/Deficiency?
Replies
2
Views
124
RandyWatsonJr
R
LoganatorDude
Other reasons for leaf burn?
Replies
1
Views
118
LoveGrowingIt
LoveGrowingIt
GrowForMe85
New Grower. Need help please.
2 3 4
Replies
63
Views
2K
PooToe
PooToe
SycknTyred
Not sure what's going wrong, any help is appreciated
2
Replies
25
Views
548
SycknTyred
SycknTyred
G
Need some help! Yellow tips turning brown and orange/brown spots.
Replies
0
Views
59
Grow316365
G
G
Guys, help! Why do my leaves look like they’ve been eaten?
2
Replies
33
Views
777
Oldchucky
Oldchucky
J
Don’t have a clue what’s wrong
2 3
Replies
40
Views
902
fuzybuds
F
MTLEADER
Newt Burn or lockout or ??
2
Replies
26
Views
820
MellowRello
M
O
Followed VPD Chart and got mold on the fab pot
2
Replies
20
Views
594
BearWater
BearWater
S
Help plants looking a lil rough
Replies
2
Views
123
SlyBoy420
S
C
First time grower. Seedling starting to yellow
Replies
14
Views
304
cameronchapman
C
JGrows
Seedlings first leaves fading yellow. All of them pls help.
Replies
4
Views
153
Phyto
P
F
Help with my Apple fritter
Replies
4
Views
176
FosterOg
F
B
Why are these too doing this
Replies
7
Views
277
Mannybarr89
M
W
What’s up with these leaves?
Replies
10
Views
290
Stokes
Stokes
11Hick11
Week 8 - Late flower phosphorus deficiency ?
2 3
Replies
49
Views
8K
MellowRello
M
M
Nitrogen Toxicity at day 39 of flower
Replies
1
Views
119
Mikedin
Mikedin
T
Is it too early to tell the sex of these? I'm on my second grow and I'm trying to get a mother.
Replies
0
Views
53
thatcoffeewater
T
MartyMcFly42oh
What is this black discoloration??
Replies
6
Views
671
MartyMcFly42oh
MartyMcFly42oh
Greenjourney
White dots on a 4-weeks old seedling
Replies
3
Views
164
labomba
labomba
TexasMade
Help please, can't tell if these are ready to harvest!
Replies
10
Views
267
420autoflier
420autoflier
G
Do these look alright? - Autos, day 50, "Pink Lemonade"
Replies
12
Views
355
420autoflier
420autoflier
A
Big problems 3rd time using my nutreint line
Replies
5
Views
165
ab2t2k
A
F
Help with my Apple fritter
Replies
0
Views
63
FosterOg
F
B
Drooping leaves and yellowing, Help!
Replies
19
Views
510
benf2014
B
Dennis1007
Need a safe bug repellent for growing outdoors(Jurassic insect Florida)
Replies
7
Views
193
Dennis1007
Dennis1007
Monkeybigbuds
Nute burn or something else
Replies
1
Views
115
LoveGrowingIt
LoveGrowingIt
E
EC in coco coir please HELP
Replies
19
Views
580
_B_
_B_
I
White splotches on leaves auto flower
Replies
1
Views
92
LoveGrowingIt
LoveGrowingIt
optical
Plant has developed a deficiency, what is this?
Replies
1
Views
113
Imzzaudae
Imzzaudae
P
Watering problems causing gnat problems.
2
Replies
31
Views
2K
Gmix
Gmix
G
Lower leaves weak and dropping
Replies
6
Views
335
Monkeybigbuds
Monkeybigbuds
R
Help! My autos looking proper sh***
Replies
3
Views
216
ReggieD
R
P
Help! Is this mildew? What do I do?
Replies
7
Views
210
Imzzaudae
Imzzaudae
Custom45
What the fook is this?
Replies
5
Views
331
Monkeybigbuds
Monkeybigbuds
W
Help with getting stem to thicken to support more leaves
Replies
16
Views
790
GreenDreamer420
G
S
What’s the problem with this plant
Replies
14
Views
602
PotPlatoon
P
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