Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Nkc1451
The best microscope for checking plant
Replies
1
Views
513
MerryJane22
MerryJane22
jby
Urgent Please help, identify problem
Replies
7
Views
422
jby
jby
Floodster31
I need help please some1
Replies
13
Views
467
Floodster31
Floodster31
brewjito
Hermaphrodite? I need help identifying
Replies
6
Views
406
One drop
One drop
S
How To Help Plant Recover From Over Pruning?
2
Replies
25
Views
8K
DanniThaMerl
DanniThaMerl
Kauai337
Help mold on my last lady.
Replies
0
Views
472
Kauai337
Kauai337
Yaya6689
Help me figure this out
Replies
8
Views
1K
Yaya6689
Yaya6689
N
Help with first grow in week 6 of flower - Nute Burn?
2
Replies
26
Views
6K
MIMedGrower
MIMedGrower
1stonedman
Whats going on with my plant?
Replies
0
Views
268
1stonedman
1stonedman
danknight
Need some help!! Spots on leaves
Replies
10
Views
646
Beachwalker
Beachwalker
Zooka
Any idea on why there curling?
Replies
4
Views
662
Zooka
Zooka
Sams0n
My Fan Leaves are developing brown spots everywhere.
Replies
6
Views
644
GNick55
GNick55
Carbonfylter
Plants saggy and sad looking
Replies
4
Views
412
Tango02
Tango02
krupu
1 out of 9 plants looks very tortured. Clawing, brown spots, light spots. Please help!
Replies
0
Views
727
krupu
krupu
bigmikeyg
light green vs dark green same nutes
Replies
7
Views
4K
dire wolf
dire wolf
Jasontherelentless
New buds (week 3) discolored on one plant
Replies
1
Views
313
Jasontherelentless
Jasontherelentless
Evvvan
I need you to tell me what is wrong?
Replies
10
Views
689
Evvvan
Evvvan
KingBvM
Whats are these dark spots on my leaves?
Replies
1
Views
278
KingBvM
KingBvM
ChunksB
Help! Is this normal? Brown undergrowth
Replies
0
Views
406
ChunksB
ChunksB
Vexor1717
GSC auto. Phosphorus deficiency? Help please.
Replies
17
Views
704
Vexor1717
Vexor1717
Vexor1717
Brown areas lower leaves. Please assist!
Replies
1
Views
705
Beachwalker
Beachwalker
ethcan
Top Down Yellowing Leaves... After deep reflection I still can't figure it out...
2 3 4
Replies
78
Views
8K
Hymie
Hymie
Naturalx
Can’t figure this one out
Replies
2
Views
549
Buttercup726
Buttercup726
Buscbk92
Normal amount of yellowing during flower?
Replies
5
Views
818
PapaDave
PapaDave
Rjp2435
Blotchy leaves? Is this normal?
Replies
0
Views
413
Rjp2435
Rjp2435
Skynet97
nutrient deficiency? King tut and gg4, only tut has problems
Replies
3
Views
1K
Beachwalker
Beachwalker
saalim13
What is this growing on stems?
Replies
7
Views
698
JerryGarcia
JerryGarcia
BARGAINLUCAS
BLACK SPOTS ON MY OUTDOOR CROP
Replies
9
Views
415
JerryGarcia
JerryGarcia
Stresscookie
I think I have spider mites in mid flower. Need recommendation for effective treatment.
Replies
14
Views
4K
JerryGarcia
JerryGarcia
Hobblebush
Is this die back on buds? Is this bad?
Replies
2
Views
315
MIMedGrower
MIMedGrower
koloholo07
What happening my girl ha ?
Replies
0
Views
232
koloholo07
koloholo07
AngelMoraof96
First time grower - Need Help
Replies
4
Views
385
One drop
One drop
SamRD
Rust looking desease // purple stems
Replies
6
Views
896
SamRD
SamRD
Beowuuulf
Hydro plant leaf curling issue
Replies
2
Views
553
pdasterly
pdasterly
Jones20992
Shrunken first leave, maybe lack of water?
Replies
0
Views
299
Jones20992
Jones20992
G
Small brown spots on older leaves (PICS)
Replies
7
Views
17K
Mcfick29
Mcfick29
Frankster
Mite eggs, Understanding mite behavior (sorting the good, the bad and the ugly)
Replies
0
Views
594
Frankster
Frankster
TNToothpick
Posting again looking for some help!
Replies
18
Views
594
Drdankems
Drdankems
Zooka
Please help my Leaves curling inwards on my babys
Replies
2
Views
434
Zooka
Zooka
Pagliuzz
help ph problems and deficiency
2
Replies
24
Views
2K
Pagliuzz
Pagliuzz
quentintarantino
What could be the problem? 1st Grow Week 5 of Flower
Replies
0
Views
365
quentintarantino
quentintarantino
Stugots
Is this possibly Phosphorus lockout?
Replies
2
Views
1K
chemistry
chemistry
1stonedman
  • Poll
I know what this is, do you? POLL
Replies
9
Views
734
1stonedman
1stonedman
jonnyonthespotaz
Brown Ring On A Few Stems
2
Replies
22
Views
6K
TOTreesDotCom
TOTreesDotCom
Waxwingz
Sickly plant :( could use some advice
Replies
13
Views
707
Waxwingz
Waxwingz
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