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Medical Cannabis Cultivation
Cannabis Infirmary
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Cannabis Infirmary
Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
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Sticky Threads
Sticky
Dudded, Stunted, and Runted plants...
We Solidarity
May 19, 2014
47
48
49
Replies
965
Views
146K
Apr 17, 2022
its.always.420
I
K
Sticky
i need suggestions on a good microscope
knubs
Jan 20, 2014
2
3
4
Replies
75
Views
26K
Jan 31, 2022
woffoukigritoi
Sticky
Read Me First
mace
Jul 31, 2008
Replies
17
Views
15K
Jan 22, 2022
TheAbstractAnomaly
Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
silverhaze
Nov 1, 2012
8
9
10
Replies
195
Views
54K
Dec 1, 2021
shaganja
Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
We Solidarity
Mar 27, 2013
22
23
24
Replies
462
Views
178K
Oct 30, 2021
Dingus13
Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
Seamaiden
Dec 31, 2013
13
14
15
Replies
293
Views
102K
Oct 26, 2021
smokedareefer
Sticky
Bulb Mites?? WTF!?
Blue Dog
Nov 13, 2013
6
7
8
Replies
156
Views
47K
Feb 15, 2021
5farmers
Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Blaze
Sep 5, 2015
Replies
19
Views
5K
Aug 28, 2020
1stonedman
Sticky
Forbid 4F timeline
budboy299
Sep 28, 2011
2
Replies
21
Views
46K
Jun 19, 2020
Fossel420
Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
Seamaiden
Apr 14, 2011
7
8
9
Replies
176
Views
52K
Jan 2, 2020
Sparty1
S
Normal Threads
R
Can anybody help me? Never seen before
Rtp97
Today at 7:02 AM
Replies
1
Views
47
Today at 7:16 AM
mysticepipedon
Can you help a Hydro Homie?
Moe.Red
Wednesday at 7:19 PM
2
3
Replies
49
Views
381
Yesterday at 6:59 PM
Aqua Man
T
Young plant issue brown spots
tamirov
Wednesday at 9:02 AM
Replies
4
Views
67
Yesterday at 5:17 PM
Aqua Man
C
Dark Green/Purple Spots Co2 Grow
Chubsbudz
Yesterday at 12:07 PM
Replies
7
Views
56
Yesterday at 1:50 PM
Chem77
Need help to save my girls!
MercDod
Wednesday at 10:29 PM
Replies
1
Views
55
Wednesday at 10:36 PM
GanjaFarmer24
E
Curious if this looks like a nitrogen def.
Electrolights
May 11, 2022
3
4
5
Replies
85
Views
873
Wednesday at 9:17 PM
Electrolights
E
N
new strain for me yellowing leaves Mimosa x Orange Punch
newbie12345
Tuesday at 2:25 PM
Replies
8
Views
82
Wednesday at 7:00 PM
Aqua Man
Z
Help!!! What’s this deficiency
zbyrne11
Mar 27, 2022
Replies
9
Views
154
Wednesday at 5:57 PM
Vevenda
V
S
Lost power plants look like they’re dying.
Steveo77
Wednesday at 11:07 AM
Replies
11
Views
90
Wednesday at 4:18 PM
Steveo77
S
Week 4 of flower - old fan leaves fading
Heywood
May 11, 2022
Replies
19
Views
252
Wednesday at 1:46 PM
FuriousStyles
Powdery mildew
Wristle
Jul 21, 2020
Replies
6
Views
437
Wednesday at 4:10 AM
MerryJane22
U
What is she telling me?
Undertow
Tuesday at 7:13 PM
Replies
6
Views
99
Tuesday at 10:57 PM
Undertow
U
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!!!
AngeRBizcuTT480
Mar 5, 2022
7
8
9
Replies
169
Views
3K
Tuesday at 9:32 AM
AngeRBizcuTT480
B
First time Grow. Light burn or deficiency?
bgudell
Apr 30, 2022
2
Replies
28
Views
512
Tuesday at 8:00 AM
Slickrick82
D
Plant has Nanners but no pollen? Or burnt pistils?
Dom707
Monday at 4:41 PM
Replies
0
Views
40
Monday at 4:41 PM
Dom707
D
R
Leaves curling and crumbling in 2 of 6 plants
RickAlm
May 20, 2022
Replies
9
Views
127
Monday at 1:58 PM
PulsePeet
S
HELP...Stigma turning Reddish after treating baking soda and soap water
SmokeyGhost
Monday at 11:47 AM
Replies
4
Views
58
Monday at 12:29 PM
Ponky
Anyone know why this is happening?
NapkinB
Monday at 12:50 AM
Replies
10
Views
131
Monday at 6:58 AM
Observationist
C
Over watering or Freak or something else?
CookiesLikeWhoa
Apr 25, 2022
Replies
14
Views
264
Monday at 2:21 AM
Superscrip1
S
Im at my wits end with tyese plants
Vb2flat2surf
May 11, 2022
Replies
19
Views
359
Sunday at 11:52 PM
Vb2flat2surf
K
Need help diagnosing what’s wrong with a few girls
Kopper1013
May 15, 2022
Replies
10
Views
137
Sunday at 8:08 PM
Kopper1013
K
Y
Need help identifying with leaves are showing deficiencies
Yoda707
Saturday at 12:37 AM
Replies
0
Views
43
Saturday at 12:37 AM
Yoda707
Y
S
Help! Early signs of Mag or Nitro deficiency? Also what's wrong with the stigmas?
StoopidGrower
May 20, 2022
Replies
10
Views
137
May 20, 2022
StoopidGrower
S
Phosphorus deficiency and incorrigible pH
BlueberryNewbie
May 20, 2022
Replies
0
Views
105
May 20, 2022
BlueberryNewbie
Burn or deficiency? First timer
Lockeboxgrows
Apr 23, 2022
4
5
6
Replies
101
Views
2K
May 20, 2022
Habosabin
Accidental Re-veg and how to fix
adam1adam
Dec 28, 2021
Replies
4
Views
1K
May 19, 2022
DoctorK
D
P
Leaf symptoms look viral in nature.
Paradiced
May 11, 2022
Replies
5
Views
74
May 19, 2022
Paradiced
P
L
I reached 80% rh 6 week flower
L.AzyStoner420
May 19, 2022
Replies
4
Views
96
May 19, 2022
Heywood
D
2 plants same strain diff signs of stress
Dtraderbudz23
May 17, 2022
Replies
9
Views
102
May 18, 2022
Moshmen
Nute burn or a deficiency
Cannabutterred
Mar 18, 2022
Replies
10
Views
280
May 18, 2022
Stonerbudz
Where should I top at this point?
Eternulwinter
May 11, 2022
Replies
6
Views
98
May 18, 2022
Stonerbudz
P
Help I think I am killing my plant.
pwputman
May 18, 2022
Replies
2
Views
84
May 18, 2022
pwputman
P
24 days in flower are they the normal size
Golfr323
May 17, 2022
Replies
8
Views
146
May 18, 2022
Golfr323
V
Wedding cake - photo in veg. What you think is causing the leaf color
Vevenda
May 8, 2022
2
3
4
Replies
61
Views
873
May 17, 2022
Tasty Buds
K
Calcium or magnesium deficiency or something else ??
Komonsense
May 17, 2022
Replies
16
Views
154
May 17, 2022
Aqua Man
Seedlings in new setup looking a little off
BlackDahlia
May 16, 2022
Replies
14
Views
168
May 17, 2022
BlackDahlia
Can someones diagnose this for me
OiOi
Apr 23, 2022
Replies
3
Views
141
May 17, 2022
Lpena93
I quit! Never doing soil again.
SavageSiren420
May 16, 2022
Replies
9
Views
217
May 16, 2022
oldskol4evr
N
Advice needed please. No light for 4 days.
Newbie44
May 16, 2022
Replies
2
Views
77
May 16, 2022
Pushrod Monkey
C
Bronze spots in between leaf veins
CannaR05
May 16, 2022
Replies
0
Views
49
May 16, 2022
CannaR05
C
Is this a nutrient problem or a genetics problem?
SavageSiren420
May 8, 2022
Replies
7
Views
175
May 16, 2022
Aqua Man
Prevent/Revert Stresses out Cannabis, from flowering?
SunshineSupergirl
May 14, 2022
2
Replies
37
Views
282
May 15, 2022
SunshineSupergirl
Should I cut these leaves right here for more light?
Eternulwinter
May 15, 2022
Replies
2
Views
64
May 15, 2022
boo
R
What it could be? Help me
Rtp97
May 15, 2022
Replies
7
Views
89
May 15, 2022
Ponky
G
What's wrong with my autos? Could it be ph lockout?
Gianphranko
Mar 11, 2022
Replies
16
Views
659
May 15, 2022
Edinburgh
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