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
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
470
Views
207K
jdog22
jdog22
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
6 7 8
Replies
157
Views
61K
jdog22
jdog22
We Solidarity
  • Sticky
Dudded, Stunted, and Runted plants...
47 48 49
Replies
976
Views
191K
MEGA956
MEGA956
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
199
Views
66K
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
34K
Aqwut
A
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
177
Views
62K
Judaz
Judaz
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
118K
smokedareefer
smokedareefer
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
6K
1stonedman
1stonedman
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
21
Views
51K
Fossel420
Fossel420
Normal Threads
D
New grower and have a question.
Replies
15
Views
161
cannafarmer420
cannafarmer420
jdog22
could this be a possible calcium overdose?
Replies
17
Views
143
jdog22
jdog22
LoveGrowingIt
Got spider mites. What I've done and what to do next.
4 5 6
Replies
100
Views
2K
LoveGrowingIt
LoveGrowingIt
L
Hello! fellow growers. Im in need of your expertises as Im a first time grower and I fear my plant wont live to see harvest :(
Replies
4
Views
83
Luke17
L
edogmb
First timer trying to ID possible powder mold during flowering
2 3 4
Replies
77
Views
1K
Captspaulding
Captspaulding
K
Help please... possible Light burn?
Replies
6
Views
96
Imzzaudae
Imzzaudae
G
Coco flower problems week 5 dtw
Replies
14
Views
364
billoddy66
B
W
What’s going on here?
Replies
2
Views
55
Imzzaudae
Imzzaudae
A
Anyone know what this is?
Replies
0
Views
42
anthonysunny
A
S
What do you think this is? Beginning of bud rot?
Replies
9
Views
162
Larrytreez
L
T
Mysterious Illness or obvious deficiency?
2
Replies
28
Views
641
Trash_2002
Trash_2002
P
Growing seeds from weed bag
Replies
1
Views
105
alpha.ganjaguy
A
C
Help With Nutrient Issues Please
Replies
6
Views
169
alpha.ganjaguy
A
M
Help with Nute Deficiencies in Late Veg
2 3
Replies
46
Views
722
m8ty
m8ty
B
1/5th of the plant is droopy?
2
Replies
24
Views
464
Oldchucky
Oldchucky
7
Please help! What is going on here?
2
Replies
33
Views
411
757Botanist
7
T
These two are almost ready. For a forst time grow i think they look decent
Replies
1
Views
95
BudBogart
BudBogart
G
Are my plants ready for harvest? - One of them snapped and it's getting cold and wet outside.
Replies
4
Views
93
Choppr
Choppr
S
How’s my plant looking- Watch videos
Replies
10
Views
143
cannafarmer420
cannafarmer420
QuestionPoint
what to smoke, weed or hash?
2 3
Replies
40
Views
1K
HerbalEdu
HerbalEdu
JKash
Question about length of Calmag Usage
Replies
4
Views
138
GNick55
GNick55
D
Brown Spots on single leaf
Replies
4
Views
98
hoobastank_enthusiast
H
L
Questions w pics: a) weird bud formation b) yellow leaves w rust and c) days counting outdoors
Replies
4
Views
123
MisterHelix
MisterHelix
jdog22
wtf is going on with this plant O.O
Replies
8
Views
166
jdog22
jdog22
Cbdfool
Aphids in early flower. Alcohol/Lemon Juice
2
Replies
26
Views
943
CannaRob007
CannaRob007
C
Is this something to worry about?
Replies
1
Views
96
Jeffdaman
Jeffdaman
GravitySlave
First time grow - yellow spots
Replies
17
Views
334
JKash
JKash
C
Unsure what is wrong with 1 of my plants
Replies
6
Views
156
Cyclonus
C
cpurola
Eggs on my leaves, moth or maybe stink bugs?
Replies
2
Views
120
cpurola
cpurola
TheSecondSaga
2 gems and one problem child
Replies
11
Views
240
alpha.ganjaguy
A
S
Did I top this correctly?
Replies
10
Views
191
cannafarmer420
cannafarmer420
Capulator
NATURAL, HOT, LIQUID, DEATH!
3 4 5
Replies
85
Views
9K
billoddy66
B
P
Newb’s First Try Sick Seedlings
2 3
Replies
40
Views
777
Gmix
Gmix
R
random failure, not sure where i went wrong w/ Pics
Replies
11
Views
1K
billoddy66
B
S
What’s going on here
Replies
6
Views
130
alpha.ganjaguy
A
S
Curling Leaves only on one branch
Replies
1
Views
114
sitzzo
S
J
First Indoor Grow is it working?
Replies
6
Views
144
Kamisama
K
Chris_grows17420
21 days old, need light? How much?
2
Replies
20
Views
297
Chris_grows17420
Chris_grows17420
W
Unsure if this seedling is going to make it
Replies
8
Views
193
Madbud
Madbud
labomba
Accidental super crop before flipping.
Replies
2
Views
104
Captspaulding
Captspaulding
C
Need insight to why leaves curling down
Replies
4
Views
168
GNick55
GNick55
S
How’s my plant doing?
Replies
8
Views
197
Gmix
Gmix
S
How do these look? First time grower.
2 3 4
Replies
66
Views
1K
Slapnuts
S
P
First time growing clones, looking sad
Replies
8
Views
178
Imzzaudae
Imzzaudae
T
Why are the lower leaves turning almost yellow?
Replies
8
Views
171
tommy115
T
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