Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
B
What sort of problem does my "Humbolt seed co" PPD auto have? Is this Nitrogen Toxicity or over water?
2
Replies
22
Views
1K
BrianGray
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420Buddha
is this plant male or female plzzz help
Replies
5
Views
403
Gmix
Gmix
O
Week 5 bloom. What's wrong with them?
Replies
12
Views
886
OhRose
O
A
First grow! Looking for advice.
Replies
7
Views
575
AvnerMinn
A
D
Help! My plan is turning yellow!
Replies
1
Views
237
LoveGrowingIt
LoveGrowingIt
KGBNWNC
My baby girls look off please help
Replies
15
Views
1K
KGBNWNC
KGBNWNC
T
Gross yellow bugs in hydro
Replies
5
Views
399
Oldguy71
Oldguy71
S
Whats happening to my leaves?
Replies
1
Views
203
Mr.OrganicGrows
Mr.OrganicGrows
DudeMcDoodleStein
Can anyone weigh in on what this plant is deficient in?
Replies
8
Views
636
BB22
BB22
MajinZeke
Black mold on walls. Start over?
Replies
19
Views
1K
Oldchucky
Oldchucky
Diranged
Are these Autos under watered
Replies
11
Views
492
Diranged
Diranged
R
Long length grow cycles + slow seed starts
Replies
9
Views
341
HerbalEdu
HerbalEdu
C
Nutrient burn and a deficiency at the same time?
Replies
0
Views
197
chiefquattro19
C
G
1st grow, looking for a leaf diagnosis. Please help
Replies
3
Views
461
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
281
Bdubs
B
X
What is this??!?! | Septoria leaf spot? | Please help!!
Replies
1
Views
266
Asmodeus
Asmodeus
T
This is a CalMg deficiency only, right?
2
Replies
22
Views
1K
TreyAnastasio
T
E
the buds so beautiful but the plant is dying i think.... will make it to harvest???!?!!🙏😭
Replies
17
Views
978
Gmix
Gmix
C
Biobizz CALMAG folier spray feed
Replies
8
Views
699
Newty
Newty
D
New Grower - Yellowing Leaves, Brown spots
Replies
15
Views
890
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
733
alpha.ganjaguy
A
hakop
Vpd / light / heat stress issues
Replies
8
Views
511
hakop
hakop
A
Help! I have 2 plants and I’m worried one is male!
Replies
3
Views
291
alpacino.com
A
pulchripes
Kerosene krash and euforia leaves going lighter in early veg
Replies
1
Views
226
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
269
tgpeters
T
R
Look like too much light?
Replies
3
Views
311
budsofgeorgia
budsofgeorgia
L
What’s the best foliar treatment of PM during flowering? Tribus, baking soda, milk spray?
2
Replies
39
Views
5K
JoeyBliss
JoeyBliss
C
  • Poll
My automatic seeds won't germinate
Replies
15
Views
895
sourorangedieselkush
sourorangedieselkush
RePotHead
How tall should my plants be at week 3?
Replies
14
Views
796
RePotHead
RePotHead
B
Auto in bloom showing spots on upper leaves?
2 3
Replies
58
Views
4K
Glassdub
Glassdub
R
Need help identifying what's happening with my plant
2 3
Replies
42
Views
3K
Rama777
Rama777
L
First time coco - what’s the problem?
Replies
1
Views
292
coherent
coherent
S
Did I trim too much?
Replies
1
Views
258
LoveGrowingIt
LoveGrowingIt
hakop
Ac broke part coming in next week
Replies
2
Views
277
hakop
hakop
O
Revolutionary ways to deal with pests in ed rosenthals book
Replies
15
Views
805
cannafarmer420
cannafarmer420
TexasMade
Male or female please help
Replies
5
Views
566
TexasMade
TexasMade
T
Help me with my plant please bro idk wtf is going on
Replies
2
Views
558
GNick55
GNick55
E
Bad nute burn just on one kola
Replies
4
Views
380
LoveGrowingIt
LoveGrowingIt
D
What is the cause of this?
Replies
6
Views
361
dougied86
D
beckerjeremey29
5 day old cotyledon starting to yellow
Replies
3
Views
710
LoveGrowingIt
LoveGrowingIt
Foster823
Droopy angry and just not happy
Replies
4
Views
473
Foster823
Foster823
AnomalousGrows
Update on my mutant seedling
Replies
4
Views
535
AnomalousGrows
AnomalousGrows
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