Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
Sticky Threads
We Solidarity
  • Sticky
Dudded, Stunted, and Runted plants...
47 48 49
Replies
965
Views
146K
its.always.420
I
K
  • Sticky
i need suggestions on a good microscope
2 3 4
Replies
75
Views
26K
woffoukigritoi
woffoukigritoi
mace
  • Sticky
Read Me First
Replies
17
Views
15K
TheAbstractAnomaly
TheAbstractAnomaly
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
195
Views
54K
shaganja
shaganja
We Solidarity
  • Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
462
Views
178K
Dingus13
Dingus13
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
102K
smokedareefer
smokedareefer
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
6 7 8
Replies
156
Views
47K
5farmers
5farmers
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
5K
1stonedman
1stonedman
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
21
Views
46K
Fossel420
Fossel420
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
176
Views
52K
Sparty1
S
Normal Threads
R
Can anybody help me? Never seen before
Replies
1
Views
47
mysticepipedon
mysticepipedon
Moe.Red
Can you help a Hydro Homie?
2 3
Replies
49
Views
381
Aqua Man
Aqua Man
T
Young plant issue brown spots
Replies
4
Views
67
Aqua Man
Aqua Man
C
Dark Green/Purple Spots Co2 Grow
Replies
7
Views
56
Chem77
Chem77
MercDod
Need help to save my girls!
Replies
1
Views
55
GanjaFarmer24
GanjaFarmer24
E
Curious if this looks like a nitrogen def.
3 4 5
Replies
85
Views
873
Electrolights
E
N
new strain for me yellowing leaves Mimosa x Orange Punch
Replies
8
Views
82
Aqua Man
Aqua Man
Z
Help!!! What’s this deficiency
Replies
9
Views
154
Vevenda
V
S
Lost power plants look like they’re dying.
Replies
11
Views
90
Steveo77
S
Heywood
Week 4 of flower - old fan leaves fading
Replies
19
Views
252
FuriousStyles
FuriousStyles
Wristle
Powdery mildew
Replies
6
Views
437
MerryJane22
MerryJane22
U
What is she telling me?
Replies
6
Views
99
Undertow
U
AngeRBizcuTT480
Please help me, my clones are twisted mangled and deformed and no one can figure out why, Ive tried everything,any grow vets help me save my girls!!!
7 8 9
Replies
169
Views
3K
AngeRBizcuTT480
AngeRBizcuTT480
B
First time Grow. Light burn or deficiency?
2
Replies
28
Views
512
Slickrick82
Slickrick82
D
Plant has Nanners but no pollen? Or burnt pistils?
Replies
0
Views
40
Dom707
D
R
Leaves curling and crumbling in 2 of 6 plants
Replies
9
Views
127
PulsePeet
PulsePeet
S
HELP...Stigma turning Reddish after treating baking soda and soap water
Replies
4
Views
58
Ponky
Ponky
NapkinB
Anyone know why this is happening?
Replies
10
Views
131
Observationist
Observationist
C
Over watering or Freak or something else?
Replies
14
Views
264
Superscrip1
S
Vb2flat2surf
Im at my wits end with tyese plants
Replies
19
Views
359
Vb2flat2surf
Vb2flat2surf
K
Need help diagnosing what’s wrong with a few girls
Replies
10
Views
137
Kopper1013
K
Y
Need help identifying with leaves are showing deficiencies
Replies
0
Views
43
Yoda707
Y
S
Help! Early signs of Mag or Nitro deficiency? Also what's wrong with the stigmas?
Replies
10
Views
137
StoopidGrower
S
BlueberryNewbie
Phosphorus deficiency and incorrigible pH
Replies
0
Views
105
BlueberryNewbie
BlueberryNewbie
Lockeboxgrows
Burn or deficiency? First timer
4 5 6
Replies
101
Views
2K
Habosabin
Habosabin
adam1adam
Accidental Re-veg and how to fix
Replies
4
Views
1K
DoctorK
D
P
Leaf symptoms look viral in nature.
Replies
5
Views
74
Paradiced
P
L
I reached 80% rh 6 week flower
Replies
4
Views
96
Heywood
Heywood
D
2 plants same strain diff signs of stress
Replies
9
Views
102
Moshmen
Moshmen
Cannabutterred
Nute burn or a deficiency
Replies
10
Views
280
Stonerbudz
Stonerbudz
Eternulwinter
Where should I top at this point?
Replies
6
Views
98
Stonerbudz
Stonerbudz
P
Help I think I am killing my plant.
Replies
2
Views
84
pwputman
P
Golfr323
24 days in flower are they the normal size
Replies
8
Views
146
Golfr323
Golfr323
V
Wedding cake - photo in veg. What you think is causing the leaf color
2 3 4
Replies
61
Views
873
Tasty Buds
Tasty Buds
K
Calcium or magnesium deficiency or something else ??
Replies
16
Views
154
Aqua Man
Aqua Man
BlackDahlia
Seedlings in new setup looking a little off
Replies
14
Views
168
BlackDahlia
BlackDahlia
OiOi
Can someones diagnose this for me
Replies
3
Views
141
Lpena93
Lpena93
SavageSiren420
I quit! Never doing soil again.
Replies
9
Views
217
oldskol4evr
oldskol4evr
N
Advice needed please. No light for 4 days.
Replies
2
Views
77
Pushrod Monkey
Pushrod Monkey
C
Bronze spots in between leaf veins
Replies
0
Views
49
CannaR05
C
SavageSiren420
Is this a nutrient problem or a genetics problem?
Replies
7
Views
175
Aqua Man
Aqua Man
SunshineSupergirl
Prevent/Revert Stresses out Cannabis, from flowering?
2
Replies
37
Views
282
SunshineSupergirl
SunshineSupergirl
Eternulwinter
Should I cut these leaves right here for more light?
Replies
2
Views
64
boo
boo
R
What it could be? Help me
Replies
7
Views
89
Ponky
Ponky
G
What's wrong with my autos? Could it be ph lockout?
Replies
16
Views
659
Edinburgh
Edinburgh
You must log in or register to post here.
Top Bottom