Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Diranged
Are these Autos under watered
Replies
11
Views
419
Diranged
Diranged
R
Long length grow cycles + slow seed starts
Replies
9
Views
285
HerbalEdu
HerbalEdu
C
Nutrient burn and a deficiency at the same time?
Replies
0
Views
126
chiefquattro19
C
G
1st grow, looking for a leaf diagnosis. Please help
Replies
3
Views
386
gumby29
G
T
People who have erradicated the dreaded spider mite for good please help.
2 3 4
Replies
75
Views
36K
Gmix
Gmix
TheRealM00
Moved to veg while others flower and light stress
Replies
4
Views
218
Bdubs
B
X
What is this??!?! | Septoria leaf spot? | Please help!!
Replies
1
Views
197
Asmodeus
Asmodeus
T
This is a CalMg deficiency only, right?
2
Replies
22
Views
842
TreyAnastasio
T
E
the buds so beautiful but the plant is dying i think.... will make it to harvest???!?!!🙏😭
Replies
17
Views
847
Gmix
Gmix
C
Biobizz CALMAG folier spray feed
Replies
8
Views
498
Newty
Newty
D
New Grower - Yellowing Leaves, Brown spots
Replies
15
Views
683
Duzooka
D
ViparSpectra
Most Of Them Will Be Too Tall?
2
Replies
35
Views
3K
natedowg2000
N
Tango4Bravo
Help, I have no idea..
Replies
19
Views
578
alpha.ganjaguy
A
hakop
Vpd / light / heat stress issues
Replies
8
Views
406
hakop
hakop
A
Help! I have 2 plants and I’m worried one is male!
Replies
3
Views
200
alpacino.com
A
pulchripes
Kerosene krash and euforia leaves going lighter in early veg
Replies
1
Views
167
Bdubs
B
RePotHead
Some of my pistils are going orange in week 4 of veg
2
Replies
30
Views
1K
Oldchucky
Oldchucky
T
Hydro Nutrients - Problem Suggestions (if any really exist)
Replies
3
Views
226
tgpeters
T
R
Look like too much light?
Replies
3
Views
245
budsofgeorgia
budsofgeorgia
L
What’s the best foliar treatment of PM during flowering? Tribus, baking soda, milk spray?
2
Replies
39
Views
4K
JoeyBliss
JoeyBliss
C
  • Poll
My automatic seeds won't germinate
Replies
15
Views
701
sourorangedieselkush
S
RePotHead
How tall should my plants be at week 3?
Replies
14
Views
671
RePotHead
RePotHead
B
Auto in bloom showing spots on upper leaves?
2 3
Replies
58
Views
3K
Glassdub
Glassdub
R
Need help identifying what's happening with my plant
2 3
Replies
42
Views
2K
Rama777
Rama777
L
First time coco - what’s the problem?
Replies
1
Views
180
coherent
coherent
S
Did I trim too much?
Replies
1
Views
186
LoveGrowingIt
LoveGrowingIt
hakop
Ac broke part coming in next week
Replies
2
Views
220
hakop
hakop
O
Revolutionary ways to deal with pests in ed rosenthals book
Replies
15
Views
632
cannafarmer420
cannafarmer420
T
Male or female please help
Replies
5
Views
496
TexasMade
T
T
Help me with my plant please bro idk wtf is going on
Replies
2
Views
448
GNick55
GNick55
E
Bad nute burn just on one kola
Replies
4
Views
257
LoveGrowingIt
LoveGrowingIt
D
What is the cause of this?
Replies
6
Views
292
dougied86
D
beckerjeremey29
5 day old cotyledon starting to yellow
Replies
3
Views
332
LoveGrowingIt
LoveGrowingIt
Foster823
Droopy angry and just not happy
Replies
4
Views
327
Foster823
Foster823
B
Sick plant with crinkled leaves and yellowing
Replies
1
Views
220
GNick55
GNick55
AnomalousGrows
Update on my mutant seedling
Replies
4
Views
439
AnomalousGrows
AnomalousGrows
residentshaman
Clones, day 8, showing some signs of droop, any ideas?
2 3
Replies
51
Views
3K
Budclarkson
B
JimfromA2
Yellowing leaves with what looks like eggs on the back
Replies
6
Views
408
JimfromA2
JimfromA2
M
Heat Stress? I have minimal Trichomes!
Replies
4
Views
358
Gmix
Gmix
K
Leaves are getting yellow spots, but no insects what could it be?
Replies
6
Views
425
HerbalEdu
HerbalEdu
ShadowKhan
Week 6 of Flower & Leaves are Turning Purple/Brownish Red
Replies
4
Views
293
Gmix
Gmix
AnomalousGrows
Is this a bad seed or grower error?
2 3
Replies
49
Views
2K
AnomalousGrows
AnomalousGrows
9
Athena + Promix = Nothing but Problems
2
Replies
25
Views
7K
blacklablabs
B
Y
4 weeks in and want some feedback
Replies
4
Views
309
Youwashock152
Y
Kundun
HELP! First Time Grower w/ Questions (& Statements)
Replies
2
Views
259
jdog22
jdog22
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