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...
48 49 50
Replies
981
Views
220K
BuffNuts
B
Blue Dog
  • Sticky
Bulb Mites?? WTF!?
7 8 9
Replies
161
Views
72K
JKash
JKash
We Solidarity
  • Sticky
Root Aphids, Fungus Gnats, and other fun bugs (ID PICS)
22 23 24
Replies
471
Views
225K
Scolymia7
Scolymia7
budboy299
  • Sticky
Forbid 4F timeline
2
Replies
22
Views
53K
Jmaes Mabley
Jmaes Mabley
silverhaze
  • Sticky
Welcome to the Fungal, it gets worse here everyday - Fusarium Solani
8 9 10
Replies
199
Views
74K
shaganja
shaganja
mace
  • Sticky
Read Me First
Replies
19
Views
16K
Xakmo
X
K
  • Sticky
i need suggestions on a good microscope
2 3 4
Replies
76
Views
35K
Aqwut
A
Seamaiden
  • Sticky
Overuse of Eagle 20 and systemics makes resistant fungi
7 8 9
Replies
177
Views
66K
Judaz
Judaz
Seamaiden
  • Sticky
The Charts--Helpful charts for making nutrient deficiency diagnoses
13 14 15
Replies
293
Views
126K
smokedareefer
smokedareefer
Blaze
  • Sticky
Integrated Pest Management (ipm), Pesticide Use And Safety, & Managing Pesticide Resistance
Replies
19
Views
7K
1stonedman
1stonedman
Normal Threads
N
DWC Hydro root rot? Thoughts?
Replies
7
Views
192
natedowg2000
N
G
White Powder and Stripes? Very Worries
Replies
1
Views
59
LoveGrowingIt
LoveGrowingIt
11Hick11
Week 8 - Late flower phosphorus deficiency ?
2 3
Replies
46
Views
8K
MellowRello
M
P
Automatic Herma? lemonade auto paradise seeds 2 week flower
Replies
2
Views
45
pure.hemp
P
Monkeybigbuds
Start of Nute burn or something else 🧐
Replies
8
Views
138
Monkeybigbuds
Monkeybigbuds
B
Sick plant with crinkled leaves and yellowing
Replies
3
Views
252
TMctoast
T
budsofgeorgia
light stress or just a stupid grower ?
2 3 4
Replies
75
Views
2K
budsofgeorgia
budsofgeorgia
Littlefoxton100
How would I defoliate this plant? It’s very short!
Replies
7
Views
287
Littlefoxton100
Littlefoxton100
pulchripes
I think I have fucked the main cola
2
Replies
26
Views
2K
Captspaulding
Captspaulding
S
Cause of my plant turning yellow
Replies
6
Views
199
BearWater
BearWater
leroygreen
Diagnosis week three to four
Replies
4
Views
172
leroygreen
leroygreen
J
Calcium deficiency vs Septoria? Or something else?
Replies
10
Views
300
Oldchucky
Oldchucky
ChuckFinnl3y
Leaves curling side ways /twisted
Replies
8
Views
428
Oldguy71
Oldguy71
P
Wilted plant overnight, no clue
2
Replies
23
Views
498
Purfict
P
B
HELP!! MALE OR FEMALE wedding cake
Replies
5
Views
222
BigBuzAnon
B
P
What are my leaves telling me?
Replies
1
Views
124
Eclipted
E
SnappyJack
Well.. I'm stumped... Could Be This.. Or It Could Be That... What Do You Think ?
Replies
4
Views
262
420autoflier
420autoflier
TexasMade
Veg and Bloom light, which to use
Replies
4
Views
170
HerbalEdu
HerbalEdu
smithage
Overwatered is an understatement lol
2
Replies
33
Views
973
HappyHarvester88
H
7munkee
Sugar leaves always curl upwards
Replies
15
Views
460
7munkee
7munkee
S
Leafes turning yellow where buds are forming
Replies
1
Views
117
Redneckx
Redneckx
G
How often and how much should I water my auto-flowers?
Replies
7
Views
290
Growth
G
F
Issues so close to the end.
Replies
8
Views
252
LoveGrowingIt
LoveGrowingIt
B
First time growing please help
Replies
5
Views
253
GNick55
GNick55
A
Spots and white stuff on leaves
Replies
0
Views
89
azbassist
A
Littlefoxton100
Diagnosis please? Anyone? Bueller..? Yellow and curling leaves!
Replies
10
Views
338
Littlefoxton100
Littlefoxton100
R
Burnt yellow tips - suggestions ?
Replies
2
Views
171
Captspaulding
Captspaulding
K
Help first time grower problem
Replies
13
Views
464
Captspaulding
Captspaulding
C
Thought was deficiency but now not sure
Replies
7
Views
316
Captspaulding
Captspaulding
KeeperOfKeys
Leaning seedling and first feed
Replies
8
Views
338
KeeperOfKeys
KeeperOfKeys
G
One of my pre-germinated seedlings had its shell fall off before planting...
Replies
5
Views
259
Kamisama
K
euphoriaup
Sick plant or lacking nutes?
Replies
5
Views
306
nomdeplume
nomdeplume
R
Anyone help figure this out
Replies
7
Views
257
raybuck
R
T
Green Caterpillars eating my buds
2
Replies
39
Views
80K
whitewedding
W
C
Weird leaf texture any ideas?
Replies
1
Views
144
Kamisama
K
B
Plz help. Wedding cake early stages. Outdoor. Does it slightly nitrogen deficient.
Replies
4
Views
213
BigBuzAnon
B
emanresu
I think this is magnesium deficiency.
Replies
7
Views
441
Captspaulding
Captspaulding
smlern
Main Stem Split Down The Middle
2 3
Replies
50
Views
23K
JadedMarxist
JadedMarxist
Rama777
Fucked up plant, not many theories..
Replies
17
Views
614
Rama777
Rama777
wobbleysausage
Molybdenum? Purpling leaves and strange colors.
Replies
6
Views
251
wobbleysausage
wobbleysausage
K
Please help diagnose what deficiencies these ladies have...
2
Replies
23
Views
573
AZsunfarmer
AZsunfarmer
N
issues with yellow after moving to bigger system.
Replies
4
Views
225
ndmsee
N
M
Yellow leaves on Purple Kush plants. Is this related to light, watering, or soil nutrients?
Replies
3
Views
176
Captspaulding
Captspaulding
E
Leaf symptoms (Nutrient deficiency or TMV?)
2
Replies
20
Views
703
ElBorracho
E
Cameron2231
Growing an angel? Maybe it’s evil? We’ll see.
Replies
5
Views
273
BloomBard
B
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