Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
BB22
Is it Male Herm? Thanks
Replies
5
Views
585
BB22
BB22
D
Twisted, deformed and spotted leafs
Replies
7
Views
193
JKash
JKash
J
Help with leaf color? Nitrogen deficient?
Replies
2
Views
175
Eclipted
E
J
Help with leaf color? Nitrogen deficient?
Replies
1
Views
147
alpha.ganjaguy
A
G
Can anyone Identify this bug?
Replies
6
Views
252
Natep
N
Worldwomble
Lots of small new leaves growing out of buds.. your advice please
Replies
6
Views
254
cannafarmer420
cannafarmer420
M
Noticing White spots on plants
Replies
9
Views
281
Mullet
M
S
Questions about stretch and light
Replies
5
Views
173
Atease
A
Bobble
What are these and how to get rid of these
Replies
14
Views
386
Atease
A
G
Growing seedlings- should I follow a certain temp/humid or focus on VPD?
Replies
2
Views
208
Gmix
Gmix
J
Help with leaf color? Nitrogen deficient?
2
Replies
31
Views
777
GNick55
GNick55
F
Please help what is wrong with plant?
2
Replies
27
Views
731
fmf4242
F
D
Can you help me diagnose my plants?
2
Replies
26
Views
662
Sunasun
Sunasun
Cbdfool
Aphids in early flower. Alcohol/Lemon Juice
2
Replies
28
Views
1K
Cbdfool
Cbdfool
LuvMe2Timez
Having issues with my grow. Please advise.
2
Replies
25
Views
710
Captspaulding
Captspaulding
H
What's going on with my late-stage flowering plants?
Replies
8
Views
383
JKash
JKash
L
Help please, brown tips showing
Replies
7
Views
286
alpha.ganjaguy
A
StevetheGrower
Hello guys Deficiencys showing up :/
Replies
14
Views
399
StevetheGrower
StevetheGrower
cannafarmer420
Light requirements between varieties differ
Replies
1
Views
154
ArtfulCodger
ArtfulCodger
wallywonks
Leaf margins starting to yellow and new growth twisty looking.
Replies
15
Views
422
Captspaulding
Captspaulding
cobblestoner
Have been checking trichomes to harvest soon but she’s making new white hairs? Is this good or normal lol
Replies
8
Views
254
JKash
JKash
JGrows
Wtf is wrong with my plant?? Pls help
Replies
18
Views
437
LoveGrowingIt
LoveGrowingIt
JGrows
Leaves turning light shade of yellow and new growth growing in very light
Replies
3
Views
233
JGrows
JGrows
V
What’s causing the black spots?
Replies
6
Views
251
vipvegas
V
E
Two flowers with early problems
2
Replies
24
Views
578
Robert23howard
R
S
What is going on with my auto flower
Replies
2
Views
130
Imzzaudae
Imzzaudae
H
barnacle scales on plant what to do
Replies
2
Views
181
Gmix
Gmix
C
First grow 7 weeks wtf? Help?
Replies
4
Views
244
c00L3y
C
C
What is the fastest and safest way to bring down the PH level?
Replies
9
Views
252
alpha.ganjaguy
A
Moscuba
What are these nodes (photo)
Replies
18
Views
440
JKash
JKash
Lockebox
Can anyone give me an idea what’s going on with this plant?
2 3
Replies
43
Views
1K
Lockebox
Lockebox
Stoobeey
Yellowing and spotted upper fans mid flower
Replies
4
Views
198
Stoobeey
Stoobeey
residentshaman
What do I do about this mold on my seedling?
Replies
5
Views
232
Choppr
Choppr
F.Dupp
Extremely resistant spider mite help
3 4 5
Replies
84
Views
2K
GGOGZin
GGOGZin
S
What’s wrong with my auto flowers?
Replies
5
Views
218
Sonu1990
S
I
Single bladed leaves during veg.
2
Replies
35
Views
737
Iridebikes1
I
S
What you guys think of this plant?
Replies
5
Views
161
cannafarmer420
cannafarmer420
T
Septoria? Please help. Pictures and Description included.
2
Replies
25
Views
788
trichomes
T
labomba
Tiny whiteish crawling bugs in coco
Replies
2
Views
176
Natep
N
K
Help please... possible Light burn?
Replies
14
Views
469
Kumu7272
K
S
Is this plant flowering? It’s only 3-4 weeks old
Replies
6
Views
244
JKash
JKash
B
Need diagnosis help on autoflowers
Replies
8
Views
244
JKash
JKash
4
Help identify deficiency . Help this noob
Replies
7
Views
232
Oldchucky
Oldchucky
S
Diagnosis help! Wrinkled and spotted top leaves
Replies
3
Views
200
DR.PNW
DR.PNW
C
Possible deficiency at 5-6 weeks flowering
Replies
2
Views
213
cocogrower123
C
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