Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
krupu
1 out of 9 plants looks very tortured. Clawing, brown spots, light spots. Please help!
Replies
0
Views
731
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
315
Jasontherelentless
Jasontherelentless
Evvvan
I need you to tell me what is wrong?
Replies
10
Views
693
Evvvan
Evvvan
KingBvM
Whats are these dark spots on my leaves?
Replies
1
Views
279
KingBvM
KingBvM
ChunksB
Help! Is this normal? Brown undergrowth
Replies
0
Views
408
ChunksB
ChunksB
Vexor1717
GSC auto. Phosphorus deficiency? Help please.
Replies
17
Views
731
Vexor1717
Vexor1717
Vexor1717
Brown areas lower leaves. Please assist!
Replies
1
Views
736
Beachwalker
Beachwalker
ethcan
Top Down Yellowing Leaves... After deep reflection I still can't figure it out...
2 3 4
Replies
78
Views
9K
Hymie
Hymie
Naturalx
Can’t figure this one out
Replies
2
Views
583
Buttercup726
Buttercup726
Buscbk92
Normal amount of yellowing during flower?
Replies
5
Views
841
PapaDave
PapaDave
Rjp2435
Blotchy leaves? Is this normal?
Replies
0
Views
423
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
743
JerryGarcia
JerryGarcia
BARGAINLUCAS
BLACK SPOTS ON MY OUTDOOR CROP
Replies
9
Views
425
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
320
MIMedGrower
MIMedGrower
koloholo07
What happening my girl ha ?
Replies
0
Views
232
koloholo07
koloholo07
AngelMoraof96
First time grower - Need Help
Replies
4
Views
398
One drop
One drop
SamRD
Rust looking desease // purple stems
Replies
6
Views
907
SamRD
SamRD
Beowuuulf
Hydro plant leaf curling issue
Replies
2
Views
561
pdasterly
pdasterly
Jones20992
Shrunken first leave, maybe lack of water?
Replies
0
Views
302
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
603
Frankster
Frankster
TNToothpick
Posting again looking for some help!
Replies
18
Views
598
Drdankems
Drdankems
Zooka
Please help my Leaves curling inwards on my babys
Replies
2
Views
438
Zooka
Zooka
Pagliuzz
help ph problems and deficiency
2
Replies
24
Views
3K
Pagliuzz
Pagliuzz
quentintarantino
What could be the problem? 1st Grow Week 5 of Flower
Replies
0
Views
371
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
752
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
737
Waxwingz
Waxwingz
GumbyDammit
Thinking I messed up again.
Replies
4
Views
450
GumbyDammit
GumbyDammit
ZasinZebra
Really low soil ph after watering with distilled water?
Replies
9
Views
2K
Gashuffer
Gashuffer
elwapo
Help ! banana pudding help please
Replies
2
Views
433
chemistry
chemistry
AdityaShan
Yellow and wilting new leaves
Replies
8
Views
1K
Beachwalker
Beachwalker
Derelict999
Are these Friend or foe?
Replies
4
Views
322
Derelict999
Derelict999
Frankster
My quick little borg buddies to the rescue!
Replies
2
Views
368
Frankster
Frankster
saalim13
Sad looking girl after flush
Replies
2
Views
586
Dirtbag
Dirtbag
Nknacho
So Lets try this again...
Replies
6
Views
600
Nknacho
Nknacho
jojosamdulin
Black Stem Mold - Charcoal Rot?
Replies
3
Views
2K
Beachwalker
Beachwalker
Kdmoore28
This is Magnesium deficiency right?
Replies
0
Views
709
Kdmoore28
Kdmoore28
GrandmaGanja
Should leaves be this yellow during flower?
Replies
4
Views
1K
BigCube
BigCube
GrandmaGanja
Leaves looks like they’re melting??
Replies
5
Views
3K
Anthem
Anthem
Fuzzylines
I'm not sure what this is
Replies
0
Views
215
Fuzzylines
Fuzzylines
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