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
ChuckFinnl3y
Spots, Yellowing and bright new Growth
Replies
5
Views
33
budsofgeorgia
budsofgeorgia
GrowForMe85
New Grower. Need help please.
2 3 4
Replies
69
Views
2K
PooToe
PooToe
SycknTyred
Not sure what's going wrong, any help is appreciated
2
Replies
25
Views
354
SycknTyred
SycknTyred
S
help! i split my stem by accident i dont know what to do or how bad it is
2
Replies
31
Views
335
Phyto
P
R
Root Rot and/or Nute Burn/Deficiency?
Replies
1
Views
62
RandyWatsonJr
R
G
Need some help! Yellow tips turning brown and orange/brown spots.
Replies
0
Views
38
Grow316365
G
G
Guys, help! Why do my leaves look like they’ve been eaten?
2
Replies
33
Views
677
Oldchucky
Oldchucky
J
Don’t have a clue what’s wrong
2 3
Replies
40
Views
821
fuzybuds
F
MTLEADER
Newt Burn or lockout or ??
2
Replies
26
Views
800
MellowRello
M
O
Followed VPD Chart and got mold on the fab pot
2
Replies
20
Views
553
BearWater
BearWater
S
Help plants looking a lil rough
Replies
2
Views
107
SlyBoy420
S
C
First time grower. Seedling starting to yellow
Replies
14
Views
275
cameronchapman
C
JGrows
Seedlings first leaves fading yellow. All of them pls help.
Replies
4
Views
139
Phyto
P
LoganatorDude
Other reasons for leaf burn?
Replies
0
Views
75
LoganatorDude
LoganatorDude
F
Help with my Apple fritter
Replies
4
Views
170
FosterOg
F
B
Why are these too doing this
Replies
8
Views
257
Mannybarr89
M
W
What’s up with these leaves?
Replies
10
Views
282
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
110
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
49
thatcoffeewater
T
MartyMcFly42oh
What is this black discoloration??
Replies
6
Views
663
MartyMcFly42oh
MartyMcFly42oh
Greenjourney
White dots on a 4-weeks old seedling
Replies
3
Views
159
labomba
labomba
TexasMade
Help please, can't tell if these are ready to harvest!
Replies
10
Views
253
420autoflier
420autoflier
G
Do these look alright? - Autos, day 50, "Pink Lemonade"
Replies
12
Views
343
420autoflier
420autoflier
A
Big problems 3rd time using my nutreint line
Replies
5
Views
156
ab2t2k
A
F
Help with my Apple fritter
Replies
0
Views
62
FosterOg
F
B
Drooping leaves and yellowing, Help!
Replies
19
Views
498
benf2014
B
Dennis1007
Need a safe bug repellent for growing outdoors(Jurassic insect Florida)
Replies
7
Views
187
Dennis1007
Dennis1007
Monkeybigbuds
Nute burn or something else
Replies
1
Views
114
LoveGrowingIt
LoveGrowingIt
E
EC in coco coir please HELP
Replies
19
Views
562
_B_
_B_
I
White splotches on leaves auto flower
Replies
1
Views
88
LoveGrowingIt
LoveGrowingIt
optical
Plant has developed a deficiency, what is this?
Replies
1
Views
111
Imzzaudae
Imzzaudae
P
Watering problems causing gnat problems.
2
Replies
31
Views
2K
Gmix
Gmix
G
Lower leaves weak and dropping
Replies
6
Views
332
Monkeybigbuds
Monkeybigbuds
R
Help! My autos looking proper sh***
Replies
3
Views
212
ReggieD
R
P
Help! Is this mildew? What do I do?
Replies
7
Views
203
Imzzaudae
Imzzaudae
Custom45
What the fook is this?
Replies
5
Views
320
Monkeybigbuds
Monkeybigbuds
W
Help with getting stem to thicken to support more leaves
Replies
16
Views
768
GreenDreamer420
G
S
What’s the problem with this plant
Replies
14
Views
594
PotPlatoon
P
K
Got rid of two plants to my back yard sad to say.
Replies
5
Views
272
Krystinmadviv3164
K
B
Seeds Germinated (more like opened up) but not Growing?!
Replies
4
Views
207
RhastaBlasta
R
budsofgeorgia
light stress or just a stupid grower ?
3 4 5
Replies
96
Views
5K
budsofgeorgia
budsofgeorgia
B
My plant need helps please
Replies
11
Views
338
Blickmorant
B
B
Zipper damage or critter munching?
Replies
9
Views
328
Budclarkson
B
JohnBlazr
Is this concerning? First time grower!
2 3
Replies
41
Views
3K
Troyh
T
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