Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Oldmanbud50
Need your help peeps. Root bound problem
Replies
4
Views
612
Beachwalker
Beachwalker
jibs
Looks like some kind of fungus
Replies
4
Views
394
jibs
jibs
gomicao
Rusted spots showing on a couple leaves.
Replies
3
Views
620
SavageBuds420
SavageBuds420
thehighguy
im out of ideas... help would be appreciated
Replies
14
Views
1K
thehighguy
thehighguy
Sampagani
Stunted growth/twisted yellow leaves
Replies
8
Views
1K
Sampagani
Sampagani
Mrgrows466
Pistils on flowers turning color at 3 weeks!
2
Replies
22
Views
4K
Chad.Westport
Chad.Westport
JB1672
1st time grower- please help
2
Replies
22
Views
1K
Holycanoli420
Holycanoli420
biggerbud420
What defencieies dies yellow drying leave
Replies
8
Views
649
Bandito_FTW
Bandito_FTW
IceR
Brown spots on leaf, Fungas Gnats?
2 3
Replies
40
Views
5K
IceR
IceR
MostEwig
My Plant Got Sick with cheap Calcium
Replies
6
Views
677
BigCube
BigCube
Shivathandava
Regarding the cannabis Flowering stage
Replies
1
Views
372
BigCube
BigCube
Beowuuulf
Need to cut roots, please advise
Replies
1
Views
482
TripsRabbit
TripsRabbit
Bkeith12
White growth on Soil...Mold? Mycorrhizae? Mycelium?
Replies
6
Views
4K
Bkeith12
Bkeith12
Pdaq
Is this Nitrogen toxicity ? New to growing
Replies
2
Views
1K
paradoxlsot
paradoxlsot
Fightorflight01
What could it be? Identification help please!
Replies
8
Views
702
MIMedGrower
MIMedGrower
O
Pistils Turning Brown
2
Replies
38
Views
10K
dankbuddington
dankbuddington
jccrlz
Help, Brown Veins on leaves
Replies
3
Views
1K
chemistry
chemistry
Savagenorth
First time grower. Is this PM?
Replies
8
Views
502
Chad.Westport
Chad.Westport
Rumplestiltskin223
All was going good too...
Replies
7
Views
593
Grownsince95
Grownsince95
MostEwig
White and yellow Dot 1month old
Replies
1
Views
290
oldskol4evr
oldskol4evr
Pdiesel
What’s going on? Plant deficiency? Tox?
Replies
4
Views
424
Pdiesel
Pdiesel
ZasinZebra
How much longer until I flip to 12/12 for flowering?
Replies
1
Views
746
TheGreek_978
TheGreek_978
Davo157
Stunted plant small leaves help please
Replies
3
Views
547
Vaqueros Verde
Vaqueros Verde
Fully_Ris3n
My name is Will and I need help.
Replies
14
Views
586
Fully_Ris3n
Fully_Ris3n
wiseheimer
Urgent help needed!! Is this calcium deficiency or lockout? Or anything else?
Replies
3
Views
461
TripsRabbit
TripsRabbit
ic0dex
Can someone help me ID
Replies
2
Views
470
Dan789
Dan789
Seriesnuns
Possible heat stress indoor tent setup
Replies
4
Views
678
One drop
One drop
ntondola
Anyone experience these symptoms before?
Replies
2
Views
395
ntondola
ntondola
MRP
WTF ! 4 week of flower help !
Replies
3
Views
448
mysticepipedon
mysticepipedon
Kam420
(Seedlings) Plants don’t look happy - what could it be?
Replies
7
Views
517
Kam420
Kam420
SamRD
Unsolvable problem - 6 months dealing with leaf decay
Replies
13
Views
1K
Ndana
Ndana
Vexor1717
This 1st Auto run has been hell...
Replies
3
Views
455
Edinburgh
Edinburgh
Burnwun
Phosphorus deficiency Or root rot?
Replies
8
Views
2K
Kampbe1l
Kampbe1l
Haydar1984
The usual flowering problems ,new leaves drooping and yellowing from the outside
Replies
8
Views
2K
Flexnerb
Flexnerb
Crysmatic
Drooping leaves
Replies
19
Views
16K
Urbanfarmer.705
Urbanfarmer.705
Mrgrows466
Super cropping gone wrong or not?
Replies
5
Views
2K
showmegreen
showmegreen
Efbespn
Brown rusting leaf edges? Aishh
Replies
5
Views
708
Efbespn
Efbespn
Ak310
Over dried my outdoor crop
Replies
9
Views
1K
One drop
One drop
Nooby701
Indoor plants leaves curled downwards
Replies
4
Views
422
Nooby701
Nooby701
Geo024
Can’t tell if this ks
Replies
0
Views
401
Geo024
Geo024
usafdorsey21
Purple fan leaf stems and leaves starting to yellow
Replies
6
Views
898
Dutchess
Dutchess
Saticoy
Any one know how to combat Spodoptera exigua?
2
Replies
23
Views
2K
Dutchess
Dutchess
dorjewright
Why is Green Cure no longer available?
Replies
1
Views
397
cemchris
cemchris
jccrlz
Help with Leaf Stains, Leaf Septoria or something else? 🆘
Replies
5
Views
481
jccrlz
jccrlz
715CREEKS
Is this signs of bud rot
Replies
3
Views
706
715CREEKS
715CREEKS
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