Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
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
316
Youwashock152
Y
Kundun
HELP! First Time Grower w/ Questions (& Statements)
Replies
2
Views
259
jdog22
jdog22
Mazzdog66
Tops are now light green
Replies
2
Views
243
Grower1974
Grower1974
hakop
Help Top nodes growing sideways
Replies
10
Views
2K
SnoopingAsUsualI
S
P
Some leaves drooping/clawing in early flower
Replies
5
Views
309
LoveGrowingIt
LoveGrowingIt
simonkay
Is this root rot or underwatered , not sure why it's drooping & stuck on pause
Replies
7
Views
467
simonkay
simonkay
G
What is going on now?
Replies
13
Views
551
LoveGrowingIt
LoveGrowingIt
Foster823
Drying to drowning Help please
Replies
12
Views
601
Newty
Newty
H
Calcium or mystery issue in need of help!
Replies
3
Views
265
ACSippi
ACSippi
D
Help identifying issue with leaves/plant
2
Replies
25
Views
1K
cannafarmer420
cannafarmer420
Gurtgurt
Help: Weak and yellow sativa
Replies
5
Views
442
Gurtgurt
Gurtgurt
P
Is this amount of drooping a concern?
Replies
12
Views
527
SSGWAR
SSGWAR
E
1st grow nutrient issue or?
Replies
5
Views
333
Zill
Z
SHiNi
Yellowing leaves in veg help please
2 3
Replies
57
Views
2K
monkey47
M
G
Why do my worst looking plants have the best looking buds?
Replies
4
Views
553
HerbalEdu
HerbalEdu
B
First time grower and I need advice
Replies
4
Views
342
Bobbylight
B
A
First time growing please help!
Replies
4
Views
505
LoveGrowingIt
LoveGrowingIt
L
Is this a calcium deficiency?
Replies
3
Views
324
BuffNuts
B
Foster823
Snapped cola completely off now what?
Replies
8
Views
569
Smokey0418
Smokey0418
DeadheadJim
I have a mutant bud/stem on this BLUEBERRY MUFFIN
Replies
5
Views
300
Oldchucky
Oldchucky
Cameron2231
  • Poll
Is this underwatering? Nutrient burn? Heat stress? All of the above?
Replies
4
Views
331
Cameron2231
Cameron2231
_B_
How do people water daily?
2
Replies
29
Views
2K
_B_
_B_
Loopusmagpie2u
Any idea whats causing this spotting?
Replies
11
Views
1K
jdog22
jdog22
JGrows
Flowering plants have spots in leaves?!? Going into week 10 of flower and spots appeared over night
Replies
9
Views
656
JGrows
JGrows
J
Big Trouble with Browning Leaves in DWC, Please Help!
Replies
3
Views
331
JAHandyman
J
F.Dupp
Almost perfect run about to be destroyed by POWDERY MILDEW
2 3 4
Replies
67
Views
4K
cannafarmer420
cannafarmer420
Worldwomble
Pesticide for spidermite during late flowering that won’t leave chemical taste in buds
2
Replies
31
Views
1K
Deadstill
Deadstill
C
I’m in the thick of flower, please help. Autoflower grow
2 3
Replies
47
Views
2K
Bdubs
B
AD323
Flowering for 26 weeks still not ready to harvest
Replies
3
Views
250
cannafarmer420
cannafarmer420
G
First time auto-flower - help me figure out what we did wrong?
Replies
3
Views
213
BryanOconner
BryanOconner
Y
Brown spots on seedlings? Also what should my ppms/feed schedule be at these stages?
Replies
2
Views
240
YBGTA
Y
G
How do you know how much light to give a plant, and is there a light meter that isn't insanely expensive?
2
Replies
22
Views
1K
Deadstill
Deadstill
Custom45
Lights too far, or too close?
2
Replies
25
Views
1K
ACSippi
ACSippi
Misanthrope
Half of stalk rotted away - 70/30 coco/perlite
Replies
6
Views
390
Misanthrope
Misanthrope
Mazzdog66
Seedlings Sleeping On The Job
Replies
18
Views
663
RGWD0202
R
jdog22
light spots with the tips curling who could it be??
Replies
3
Views
257
jdog22
jdog22
L
Light lime green drooping leaves
Replies
10
Views
458
Imzzaudae
Imzzaudae
D
Need help identifying problem asap
Replies
3
Views
237
GNick55
GNick55
ACSippi
Bugs, Powdery Milder and Mold OH MY!
Replies
5
Views
322
ACSippi
ACSippi
Mazzdog66
Seedlings are tall and thin
Replies
6
Views
360
Mazzdog66
Mazzdog66
E
First grow ever; 3 weeks from harvest; nutrient burn?
Replies
3
Views
283
Imzzaudae
Imzzaudae
P
Look at the top my leaves....what could this be? was thinking Nitrogen
Replies
3
Views
325
Captspaulding
Captspaulding
D
High Rust Content in Well Water?
Replies
13
Views
698
d_miller_20
D
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