Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing cannabis plants.
Sticky Threads
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i need suggestions on a good microscope
2 3 4
Replies
72
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24K
totamus
totamus
We Solidarity
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Dudded, Stunted, and Runted plants...
47 48 49
Replies
963
Views
134K
Ems49
Ems49
silverhaze
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Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
193
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50K
Apollo
Apollo
We Solidarity
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Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
461
Views
171K
DavidMykel
DavidMykel
Seamaiden
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The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
290
Views
96K
Vintaw
Vintaw
Blue Dog
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Bulb Mites?? WTF!?
6 7 8
Replies
156
Views
44K
5farmers
5farmers
mace
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Read Me First
Replies
12
Views
14K
Aqua Man
Aqua Man
Blaze
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Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
5K
1stonedman
1stonedman
budboy299
  • Sticky
Forbid 4F timeline
2
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21
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44K
Fossel420
Fossel420
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
176
Views
50K
Sparty1
S
Normal Threads
VADugin
First Grow - Did I Diagnose correctly?
2 3
Replies
50
Views
894
Chem77
Chem77
Loopusmagpie2u
Led Mag defic dont ya love it?
Replies
14
Views
204
mysticepipedon
mysticepipedon
Gurtgurt
Cal Mag Problems from Garden Lime (I think)
Replies
14
Views
251
Aqua Man
Aqua Man
Amatfumusviriditas
I am unable to explain run off pH increase
2
Replies
22
Views
326
Aqua Man
Aqua Man
GannerUK
What is happening to my plant?
Replies
1
Views
105
GannerUK
GannerUK
crushedc
Probably magnesium deficiency in my first coco grow
Replies
17
Views
453
crushedc
crushedc
thcoso
What the Hell is Up with this Jamaican Kush? Lol funky genetics!!!
Replies
5
Views
206
Goblinkiller
Goblinkiller
TheBadChoice
Do y’all think this will make it?
Replies
3
Views
67
TheBadChoice
TheBadChoice
biggerbud420
is this the beginning of nute burn ?
Replies
13
Views
256
biggerbud420
biggerbud420
LaVirtue
My Flowering Stage is Stalled :(
7 8 9
Replies
165
Views
2K
Mrb53
Mrb53
cornishkush68
My first auto grow I’m worried they’re not autos
Replies
3
Views
94
ImpulsiveGrower
ImpulsiveGrower
Fortaf
Rookie Outdoor Grower: How do they look?
Replies
13
Views
269
TSD
TSD
JoshuaP
POwdery mildew days from harvest
Replies
3
Views
120
JoshuaP
JoshuaP
Zombiemambo
1st grow - nitrogen/calcium problems?
Replies
7
Views
242
XhibitA
XhibitA
GalaxysEdge
What are my leaves telling me?
Replies
7
Views
149
Ponky
Ponky
ELGenerali
First Time Cannabis Grower - Seedling Help
Replies
16
Views
202
ComfortablyNumb
ComfortablyNumb
Dub_City405
What is this issue here?
Replies
15
Views
248
ComfortablyNumb
ComfortablyNumb
FarmerTim420
What's wrong with my leaves? They look alien
2
Replies
21
Views
378
ComfortablyNumb
ComfortablyNumb
biggerbud420
pineapple and afghan auto seedling 8 to 10 days old
Replies
3
Views
299
JSH1973
JSH1973
Nctocotook
Using coco coir and this happened
Replies
16
Views
239
Aqua Man
Aqua Man
Java1010
2nd grow, too tall, can I top in stretch
Replies
13
Views
211
Java1010
Java1010
Prime C
Little white worms eating my seeds!
2 3
Replies
49
Views
24K
crossfader
crossfader
beebud
Should I bury this or not?
Replies
9
Views
170
beebud
beebud
Ponky
Lesser known Safers Sulphur product
Replies
0
Views
47
Ponky
Ponky
Tylerm1712
New and need all the help i can get!!!
3 4 5
Replies
85
Views
1K
Mrb53
Mrb53
THraCian
Brown/Rusty spots on leaves after dark period
Replies
5
Views
119
THraCian
THraCian
Lebnator
Is this an aphyd? What should i do about it?
Replies
2
Views
83
Lebnator
Lebnator
Tipshades
HELP PLEASE... first time grower having issues
Replies
1
Views
112
mjab702
mjab702
HumbleTie1321
NEED HELP AND FAST!! PLEASE?
Replies
4
Views
139
HumbleTie1321
HumbleTie1321
EddyWally
My lady is sick and i don't know what to do
Replies
8
Views
184
OutdoorGrowGuy
OutdoorGrowGuy
beebud
What happens if I top this plant now?
Replies
14
Views
240
beebud
beebud
FarmerTim420
Can someone tell me what this is??
Replies
9
Views
200
chemistry
chemistry
Foster823
Should I just ditch her at this point?
Replies
1
Views
77
Ponky
Ponky
mysticepipedon
Immobile nutrient issue — teachable moment!
Replies
0
Views
78
mysticepipedon
mysticepipedon
Goget
Curly leaves with some sign of deficiency
Replies
3
Views
120
Aqua Man
Aqua Man
cornishkush68
Does this look like a cal mag deficiency
Replies
7
Views
156
cornishkush68
cornishkush68
Zenpaii
Cal Mag deficiency in flowering stage COCO Coir
Replies
1
Views
248
dbrzz
dbrzz
XhibitA
Mobile and Immobile Nutrients Deficiencies and Abundances.
Replies
2
Views
102
mysticepipedon
mysticepipedon
Cabrita
Something is eating newgrowth leaves
Replies
12
Views
163
jadins_journey
jadins_journey
DudeMcDoodleStein
Deficiency (magnesium?) in Autopots/Sohum 6 week old photos in veg
Replies
1
Views
83
XhibitA
XhibitA
Foster823
Advice on using trifecta crop control
Replies
4
Views
122
OldManRiver
OldManRiver
CurtisBlow916
I’m don’t know w to do.. and I scared 😭
3 4 5
Replies
81
Views
975
AngryPossum
AngryPossum
Dabward
Yeah this guy is this septoria?
2
Replies
32
Views
437
Aqua Man
Aqua Man
GenieMan
Heat stress? Light stress? Help!
Replies
19
Views
386
Mrb53
Mrb53
Aqua Man
Video of clone recovering from underwatering
2
Replies
35
Views
2K
weedshoes
weedshoes
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