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
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
197
Views
57K
shaganja
shaganja
mace
  • Sticky
Read Me First
Replies
18
Views
15K
Slim0317
S
We Solidarity
  • Sticky
Dudded, Stunted, and Runted plants...
47 48 49
Replies
965
Views
158K
its.always.420
I
K
  • Sticky
i need suggestions on a good microscope
2 3 4
Replies
75
Views
27K
woffoukigritoi
woffoukigritoi
We Solidarity
  • Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
462
Views
184K
Dingus13
Dingus13
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
107K
smokedareefer
smokedareefer
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
6 7 8
Replies
156
Views
50K
5farmers
5farmers
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
5K
1stonedman
1stonedman
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
21
Views
48K
Fossel420
Fossel420
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
176
Views
54K
Sparty1
S
Normal Threads
T
from a total newb... some creepy-crawly infestation [greenhouse millipedes?]...
2 3
Replies
40
Views
330
Madmax
Madmax
shades
Not your normal 'yellowing' fan/sugar leaves?
Replies
12
Views
5K
mysticepipedon
mysticepipedon
T
Outdoor plants are bright green
Replies
7
Views
124
Treeonefive
T
B
sprouting seeds in dome , yes/no
Replies
13
Views
125
benjones
B
Gmix
Is this Powdery mildew or not
Replies
16
Views
229
AlfaDog
AlfaDog
PhoenixFlower
I think I have a Calcium lockout...
Replies
7
Views
141
GNick55
GNick55
mrSimples
Concerning yellowing of tips and tops?
Replies
2
Views
123
AlfaDog
AlfaDog
I
Does this look like Bud rot?
Replies
4
Views
78
mysticepipedon
mysticepipedon
J
Seedling leaf disfiguration at tips
Replies
2
Views
52
jimbonorman
J
KimbroKush
Need help! All hands on deck! Deficient!
Replies
2
Views
108
KimbroKush
KimbroKush
G
First time grower - drooping and yellow leaves
Replies
8
Views
255
ritoMox
R
L
ALL stigmas turned brown and shriveled up
Replies
18
Views
262
Lowrider342
L
S
HELP HELP HELP Just lost a crop in span of 2 days.
2
Replies
21
Views
234
SSGLIGASPACKSUPPLY
S
H
Looks great until I water .
Replies
3
Views
79
2Bad
2Bad
SchwiftyGrower
This too much light or something else?
Replies
6
Views
100
SchwiftyGrower
SchwiftyGrower
BlueberryNewbie
How to get rid of cochineal during flowering
Replies
2
Views
137
Oldchucky
Oldchucky
Gurtgurt
Recommendations for my ailing cannabis plant
Replies
9
Views
312
Gurtgurt
Gurtgurt
L
How would you prune or defoliate this outdoor plant Week 2/3 of flower or should I not?
2
Replies
23
Views
430
SchwiftyGrower
SchwiftyGrower
Unxpected_farms
Week 3 of flower and I think I might have hermie. What should I do?
Replies
4
Views
967
BadFish_Genetics
B
C
Small white flowers at end of flowering
Replies
3
Views
102
colo89
C
K
Am I overwatering or something else ??
Replies
14
Views
571
BadFish_Genetics
B
B
Can I save this plant.
Replies
5
Views
110
ritoMox
R
fuego.de.basurero
Nitrogen Deficiency or Age or ???
Replies
6
Views
208
Letsgrowit
L
W
Any idea what she wants?
Replies
1
Views
54
steamroller
steamroller
joana1998
My plant is bending over
2 3
Replies
49
Views
912
Oldchucky
Oldchucky
N
Help Help!! Things have started to go bad
Replies
19
Views
190
nsw3913t
N
L
Caterpillar induced bud rot - what do you do?
Replies
4
Views
109
dretot
dretot
BigBlonde
Got bugs! Now what do I do?
2 3
Replies
43
Views
807
BigBlonde
BigBlonde
homebrew420
Citric Acid for Powdery?
Replies
13
Views
10K
Knight
K
O
Plants have deteriorated rapidly! Need advice
Replies
13
Views
204
Goodshit97
Goodshit97
O
Now what in the hell is going on?
Replies
10
Views
207
Oilcan
O
K
Could use a little help Diagnosing this
2
Replies
20
Views
215
2Bad
2Bad
Mifarmer
Cleaning Buds While Still In The Ground
2
Replies
27
Views
402
PurpleLurple
PurpleLurple
A
Need help fom an expeience grower!
Replies
3
Views
105
N1ghtL1ght
N1ghtL1ght
E
White Powdery Mildew Milk+Water Treatment Won't Wash Off
Replies
1
Views
75
beluga
beluga
GardenWeasel77
Is this bud rot or something?
Replies
1
Views
82
Greenjourneyman
Greenjourneyman
M
Please help with small dark spots
Replies
6
Views
127
MrFatGangster
M
S
These bugs are infesting my plants and I can't get a solid identification, any help would be appreciated!
Replies
14
Views
224
Studio
S
Ever after
  • Poll
can spider mites be deleted from a grow room/ bedroom and reset?
Replies
10
Views
10K
Goodshit97
Goodshit97
Phate008
Large outdoor plant in earth starting to turn very yellow
Replies
4
Views
112
Phate008
Phate008
Thumbuddy
Dying stems off main branches
Replies
8
Views
123
Thumbuddy
Thumbuddy
L
Help! Looks like mold on the leaves but doesn’t rub off easily.
Replies
1
Views
93
Lowrider342
L
OTCusp
Can somebody help me please
Replies
3
Views
102
Greenjourneyman
Greenjourneyman
J
Identifying Leaf Issue with Arjans Haze
Replies
5
Views
194
N1ghtL1ght
N1ghtL1ght
K
Likely cause of these tip burns?
Replies
7
Views
111
Kopper1013
K
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