Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Sticky Threads
We Solidarity
  • Sticky
Dudded, Stunted, and Runted plants...
48 49 50
Replies
981
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221K
BuffNuts
B
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
7 8 9
Replies
161
Views
72K
JKash
JKash
We Solidarity
  • Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
471
Views
226K
Scolymia7
Scolymia7
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
22
Views
53K
Jmaes Mabley
Jmaes Mabley
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
199
Views
74K
shaganja
shaganja
mace
  • Sticky
Read Me First
Replies
19
Views
16K
Xakmo
X
K
  • Sticky
i need suggestions on a good microscope
2 3 4
Replies
76
Views
35K
Aqwut
A
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
177
Views
66K
Judaz
Judaz
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
126K
smokedareefer
smokedareefer
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
7K
1stonedman
1stonedman
Normal Threads
S
What’s the problem with this plant
Replies
1
Views
9
Finos
F
K
What the hell do i do next!!! Im so new at this….
2
Replies
20
Views
439
GreenNotYellow
G
Custom45
Purple patches on some leaves
Replies
1
Views
51
Zill
Z
C
Are these warning signs of a male?
Replies
3
Views
148
Coppermike
C
B
Seeds Germinated (more like opened up) but not Growing?!
Replies
1
Views
73
Galgrows
Galgrows
B
Yo i need some help
Replies
10
Views
298
LoveGrowingIt
LoveGrowingIt
M
What is happening to the plant?
Replies
8
Views
380
wobbleysausage
wobbleysausage
N
Sick girl needs help please
Replies
13
Views
425
natedogg102790
N
F
Just wondering if anyone knows...
Replies
0
Views
114
Franco1961
F
budsofgeorgia
light stress or just a stupid grower ?
2 3 4
Replies
76
Views
3K
budsofgeorgia
budsofgeorgia
C
Weird leaf texture any ideas?
Replies
2
Views
191
Coppermike
C
G
White Powder and Stripes? Very Worries
Replies
2
Views
149
Goldjkr
G
B
HELP!! MALE OR FEMALE wedding cake
Replies
7
Views
318
BearWater
BearWater
J
What is up with these leafea
Replies
0
Views
71
johnbrown25
J
M
Hello! Problem With stranger things 🧐
Replies
4
Views
182
LoveGrowingIt
LoveGrowingIt
N
DWC Hydro root rot? Thoughts?
Replies
14
Views
435
Bumslayer3700
Bumslayer3700
S
Cause of my plant turning yellow
Replies
13
Views
458
Mothman
Mothman
Monkeybigbuds
Start of Nute burn or something else 🧐
Replies
9
Views
283
Monkeybigbuds
Monkeybigbuds
E
Leaves curling: is it light stress?
Replies
4
Views
187
Imzzaudae
Imzzaudae
11Hick11
Week 8 - Late flower phosphorus deficiency ?
2 3
Replies
48
Views
8K
MellowRello
M
pulchripes
I think I have fucked the main cola
2
Replies
27
Views
2K
pulchripes
pulchripes
P
Automatic Herma? lemonade auto paradise seeds 2 week flower
Replies
2
Views
100
pure.hemp
P
B
Sick plant with crinkled leaves and yellowing
Replies
3
Views
295
TMctoast
T
Littlefoxton100
How would I defoliate this plant? It’s very short!
Replies
7
Views
363
Littlefoxton100
Littlefoxton100
leroygreen
Diagnosis week three to four
Replies
4
Views
236
leroygreen
leroygreen
J
Calcium deficiency vs Septoria? Or something else?
Replies
10
Views
338
Oldchucky
Oldchucky
ChuckFinnl3y
Leaves curling side ways /twisted
Replies
8
Views
450
Oldguy71
Oldguy71
P
Wilted plant overnight, no clue
2
Replies
23
Views
586
Purfict
P
P
What are my leaves telling me?
Replies
1
Views
143
Eclipted
E
SnappyJack
Well.. I'm stumped... Could Be This.. Or It Could Be That... What Do You Think ?
Replies
4
Views
273
420autoflier
420autoflier
TexasMade
Veg and Bloom light, which to use
Replies
4
Views
204
HerbalEdu
HerbalEdu
smithage
Overwatered is an understatement lol
2
Replies
33
Views
1K
HappyHarvester88
H
7munkee
Sugar leaves always curl upwards
Replies
15
Views
497
7munkee
7munkee
S
Leafes turning yellow where buds are forming
Replies
1
Views
121
Redneckx
Redneckx
G
How often and how much should I water my auto-flowers?
Replies
7
Views
348
Growth
G
F
Issues so close to the end.
Replies
8
Views
277
LoveGrowingIt
LoveGrowingIt
B
First time growing please help
Replies
5
Views
269
GNick55
GNick55
A
Spots and white stuff on leaves
Replies
0
Views
100
azbassist
A
Littlefoxton100
Diagnosis please? Anyone? Bueller..? Yellow and curling leaves!
Replies
10
Views
368
Littlefoxton100
Littlefoxton100
R
Burnt yellow tips - suggestions ?
Replies
2
Views
198
Captspaulding
Captspaulding
K
Help first time grower problem
Replies
13
Views
518
Captspaulding
Captspaulding
C
Thought was deficiency but now not sure
Replies
7
Views
361
Captspaulding
Captspaulding
KeeperOfKeys
Leaning seedling and first feed
Replies
8
Views
368
KeeperOfKeys
KeeperOfKeys
G
One of my pre-germinated seedlings had its shell fall off before planting...
Replies
5
Views
269
Kamisama
K
euphoriaup
Sick plant or lacking nutes?
Replies
5
Views
343
nomdeplume
nomdeplume
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