Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
I
Need Help with Powdery Mildew
3 4 5
Replies
85
Views
31K
jaredman
jaredman
H
Has Anyone Tried Trifecta Crop Control?
2 3
Replies
45
Views
31K
Mrb53
Mrb53
ALLegal420
Sulfur burn for powdery mildew question
2
Replies
20
Views
30K
squiggly
squiggly
78OzFinest
Accidentally left lights on for dark period ???
2
Replies
27
Views
30K
minnehonk
M
F
What Do Yellow Veins Mean? ...or Splotchy Yellow?
Replies
6
Views
30K
Seamaiden
Seamaiden
maddox420
yellowing and wilting lower fan leaves 4thweek flowering
2 3
Replies
43
Views
30K
mantisclaw
mantisclaw
Smoke2much4
Soil Mites? Benificial? Root Aphids ??
2
Replies
27
Views
30K
EARTH
E
evu80
too much calmag for GH nutes?
Replies
16
Views
30K
Zombierider
Zombierider
L
Powdery Mildew--is there really a cure?
2
Replies
36
Views
29K
woodsmaneh
woodsmaneh
blazeone44
Premature Orange Hairs
2
Replies
28
Views
29K
Samoan
Samoan
G
HELP!!!my weed tastes like sulphur.How can i get rid of the taste?
Replies
14
Views
29K
666elsie
6
DowNwithDirT
CLOSE UP PIC OF Root Aphid and Fungus Gnat larvae.....help..
2 3
Replies
43
Views
29K
F.Dupp
F.Dupp
B
  • Locked
Help! Root Aphids
Replies
17
Views
28K
dusty
D
D
Eagle Claw on top new growth
2
Replies
38
Views
28K
Toone
T
OLAFU
What Are These White Spots?
2
Replies
32
Views
28K
AJGirlsGrow2
AJGirlsGrow2
G
Seedling bending?
Replies
17
Views
28K
scoobydoo
S
LexLuthor
How to rehydrate buds
2 3
Replies
43
Views
27K
HashZeppelin
HashZeppelin
JuggaloJames
Fan Leaves Tips Pointing Down, Is That Bad?
2
Replies
20
Views
27K
Dan789
Dan789
medcalstdnt
White Fuzzy Mold Killing Entire Trays Of Clones: Not Pm
Replies
17
Views
27K
cannabeans
cannabeans
A
Is this a cal-mag deficiency?
2 3
Replies
49
Views
27K
A.Swift
A.Swift
C
Best way to kill mites for good?
4 5 6
Replies
108
Views
27K
bulldog74
B
homebrew420
Root aphids?
2 3
Replies
50
Views
26K
Seamaiden
Seamaiden
B
What's the best treatment for Fusarium stem rot?
2
Replies
25
Views
26K
Tbc
T
JayBee
Please help me- bottom fan leaves dying, falling off
Replies
4
Views
26K
JayBee
JayBee
Skunkmasterflex
avid and forbid
2 3 4
Replies
65
Views
26K
The Humanure
The Humanure
mortyb
New growth is light green
Replies
6
Views
26K
baydestrian707
B
New2dagame
Leaves Turning Black
Replies
17
Views
26K
MidwestToker
MidwestToker
stickyicky
Is serenade comperable to greencure?
Replies
18
Views
26K
Zatoichi
Z
greenjoe
Wtf? buds turning black and purple
2
Replies
30
Views
26K
Daisyduke
D
bankcee
Overwatered Plant Recovery!
Replies
18
Views
25K
bankcee
bankcee
Tobor the 8th Man
TMV The final answer!
2 3
Replies
53
Views
25K
SwampGrow
S
W
spider mites
3 4 5
Replies
87
Views
25K
DeviousSB
D
A
one seed on female plant...wtf?
Replies
14
Views
24K
Chobble
Chobble
F
Plant Leaves Dying From Bottom Up
Replies
9
Views
24K
OldSmokie76
OldSmokie76
S
Top 2" of cola is drying/dying rapidly, rest of plant is fine *pics
2
Replies
23
Views
24K
Rolln J
R
S
Big plants, little buds
Replies
15
Views
24K
KarmaPharms
KarmaPharms
C
Suspected root aphids in flower, help!
2
Replies
26
Views
24K
coreymillia
coreymillia
D
starting to flower under 24 hour light cycle
Replies
14
Views
24K
Stickybuds
Stickybuds
H
orange spots and downward curling leaves
Replies
9
Views
24K
BigCountry
B
JH420
Are my clones almost dead?
2
Replies
30
Views
24K
CoCannabis303
C
D
Is the vapor from a sulphur burner toxic?
Replies
19
Views
23K
KushMan707
KushMan707
Cdub97
Is this magnesium deficiency?
2 3 4
Replies
77
Views
23K
TryingToGrow
T
MedicalDave
Bad Ph And Too Much Calmag?
2
Replies
34
Views
23K
MedicalDave
MedicalDave
T
How long does it take for Greencure to work???
Replies
19
Views
23K
LedGuy
LedGuy
Speedwagon
White "water Spots" On My Weed Leaves
Replies
6
Views
23K
showmegreen
showmegreen
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