Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Creep420
What is this? Odd yellow striping
Replies
2
Views
452
London bud
London bud
KINSTROOM
Runoff Ph 5. can't get it up HELP
Replies
10
Views
5K
az2000
az2000
J
broad mites! babies died after treating with avid.
Replies
0
Views
458
jimmytheduck
J
T
Fungus Gnats
6 7 8
Replies
155
Views
23K
Beachwalker
Beachwalker
Team914
Stunted Or Root Bound??
Replies
1
Views
385
Therighthigh
Therighthigh
Backwoods69
Think im gonna lose em :(
2
Replies
38
Views
3K
az2000
az2000
Rooke
White bugs?
Replies
3
Views
1K
Rooke
Rooke
M
Need help!! I split my plant right at the base of where I topped it
Replies
8
Views
814
Dirtbag
Dirtbag
Beachwalker
  • Poll
Safer soap vs. Safer Horticultural and Dormant Spray Oil..?
Replies
0
Views
372
Beachwalker
Beachwalker
V
Clone advise
2
Replies
21
Views
2K
Dusty Nuggz
Dusty Nuggz
Dirtbag
What to do... Seeking advice.
Replies
10
Views
511
oldskol4evr
oldskol4evr
S.WestFarmer
New grow looks healthy, but dropping and leaf curl down
Replies
4
Views
2K
S.WestFarmer
S.WestFarmer
M
Please help me diagnose my plants
2
Replies
25
Views
2K
maxbaker
M
Creep420
K deficiency?
Replies
13
Views
994
az2000
az2000
KINSTROOM
New grower in need of help
Replies
1
Views
379
oldskol4evr
oldskol4evr
NHWhites
Calcium deficiency and light/heat stress?
Replies
7
Views
3K
az2000
az2000
Kingjoshh
Some sort of nitrogen or magnesium lockout
2
Replies
25
Views
5K
az2000
az2000
P
Rust or nute lockout
Replies
5
Views
2K
Pete638
P
M
  • Poll
Buds? Or leafs?
Replies
2
Views
308
matthew117
M
Izzy1980
20 Week old Autos!! Wtf have I grown
Replies
17
Views
3K
az2000
az2000
715CREEKS
How long do I have left?
Replies
3
Views
786
WankirA
WankirA
K
Bright spots on leaves / Critical+
Replies
4
Views
485
oldskol4evr
oldskol4evr
Growguy1254
Rough idea of how long I have to go?
Replies
5
Views
507
MIMedGrower
MIMedGrower
Izzy1980
20 week Auto? What have I grown lol
Replies
0
Views
321
Izzy1980
Izzy1980
Backwoods69
Need diagnosis help :/
Replies
7
Views
659
Beachwalker
Beachwalker
Tobor the 8th Man
TMV The final answer!
2 3
Replies
53
Views
25K
SwampGrow
S
New2dagame
Weird growth
Replies
8
Views
646
Aqua Man
Aqua Man
Kleinstein
What’s wrong with my plant
2
Replies
20
Views
2K
Kleinstein
Kleinstein
M
Indoor growing - need help identifying problem
Replies
1
Views
447
Jimster
Jimster
G
Ak 47 auto
Replies
0
Views
559
Grenooo
G
Kampbe1l
Odd 3 Cotyledon & sets of 3-leaves?
Replies
10
Views
6K
Kampbe1l
Kampbe1l
Naturalx
It’s not ph, it’s not bugs, it’s not salt buildup.
2
Replies
26
Views
2K
the rrock
the rrock
tilopa
Seedlings looking unhealthy - pics
Replies
8
Views
2K
tilopa
tilopa
orbad
Underfeeding?
2
Replies
29
Views
17K
Hanta
Hanta
Thedude4200
Discoloration • tip burnt• white spots
Replies
5
Views
648
Thedude4200
Thedude4200
Noobmaster69
pH help
Replies
2
Views
309
Noobmaster69
Noobmaster69
JonnySuicide
Help! Yellow/Stripes Tips on leaves.
Replies
11
Views
5K
PlumberSoCal
PlumberSoCal
Tico Brohei
What causes this curling/canoeing downwards?
2 3
Replies
49
Views
6K
Tico Brohei
Tico Brohei
Alpaca
Brown spots, leaf septoria?
Replies
15
Views
4K
Alpaca
Alpaca
Growguy1254
Just found some pests need help identifying
Replies
11
Views
952
Organikz
Organikz
Thedude4200
Bent stem!
Replies
11
Views
18K
Burned Haze
B
W
Too much nitrogen, overwatering, underwatering?
Replies
6
Views
1K
WildFarmer
W
J
Strange leaves...
Replies
10
Views
809
jerkchicken
J
Lbgrower
Does Root Rot Pass To Cuttings?
Replies
6
Views
2K
Etonakoxd
E
C
Burnt leaves? Nute burn or deficiency
Replies
1
Views
486
Madbud
Madbud
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