Cannabis Infirmary

Learning how to grow cannabis can be tricky. Learn how to identify, diagnose, and fix common problems faced while growing marijuana plants.
leroygreen
Diagnosis week three to four
Replies
4
Views
340
leroygreen
leroygreen
J
Calcium deficiency vs Septoria? Or something else?
Replies
10
Views
451
Oldchucky
Oldchucky
ChuckFinnl3y
Leaves curling side ways /twisted
Replies
8
Views
580
Oldguy71
Oldguy71
P
Wilted plant overnight, no clue
2
Replies
23
Views
808
Purfict
P
P
What are my leaves telling me?
Replies
1
Views
214
Eclipted
E
SnappyJack
Well.. I'm stumped... Could Be This.. Or It Could Be That... What Do You Think ?
Replies
4
Views
341
420autoflier
420autoflier
TexasMade
Veg and Bloom light, which to use
Replies
4
Views
271
HerbalEdu
HerbalEdu
smithage
Overwatered is an understatement lol
2
Replies
33
Views
1K
HappyHarvester88
H
7munkee
Sugar leaves always curl upwards
Replies
15
Views
867
7munkee
7munkee
S
Leafes turning yellow where buds are forming
Replies
1
Views
144
Redneckx
Redneckx
G
How often and how much should I water my auto-flowers?
Replies
7
Views
627
Growth
G
F
Issues so close to the end.
Replies
8
Views
353
LoveGrowingIt
LoveGrowingIt
B
First time growing please help
Replies
5
Views
322
GNick55
GNick55
A
Spots and white stuff on leaves
Replies
0
Views
161
azbassist
A
Littlefoxton100
Diagnosis please? Anyone? Bueller..? Yellow and curling leaves!
Replies
10
Views
484
Littlefoxton100
Littlefoxton100
R
Burnt yellow tips - suggestions ?
Replies
2
Views
267
Captspaulding
Captspaulding
K
Help first time grower problem
Replies
13
Views
644
Captspaulding
Captspaulding
criz
Thought was deficiency but now not sure
Replies
7
Views
443
Captspaulding
Captspaulding
KeeperOfKeys
Leaning seedling and first feed
Replies
8
Views
529
KeeperOfKeys
KeeperOfKeys
G
One of my pre-germinated seedlings had its shell fall off before planting...
Replies
5
Views
344
Kamisama
K
euphoriaup
Sick plant or lacking nutes?
Replies
5
Views
422
nomdeplume
nomdeplume
T
Green Caterpillars eating my buds
2
Replies
39
Views
80K
whitewedding
W
B
Plz help. Wedding cake early stages. Outdoor. Does it slightly nitrogen deficient.
Replies
4
Views
309
BigBuzAnon
B
emanresu
I think this is magnesium deficiency.
Replies
7
Views
683
Captspaulding
Captspaulding
smlern
Main Stem Split Down The Middle
2 3
Replies
50
Views
23K
JadedMarxist
JadedMarxist
wobbleysausage
Molybdenum? Purpling leaves and strange colors.
Replies
6
Views
335
wobbleysausage
wobbleysausage
K
Please help diagnose what deficiencies these ladies have...
2
Replies
23
Views
800
AZsunfarmer
AZsunfarmer
N
issues with yellow after moving to bigger system.
Replies
4
Views
326
ndmsee
N
M
Yellow leaves on Purple Kush plants. Is this related to light, watering, or soil nutrients?
Replies
3
Views
305
Captspaulding
Captspaulding
E
Leaf symptoms (Nutrient deficiency or TMV?)
2
Replies
20
Views
964
ElBorracho
E
Cameron2231
Growing an angel? Maybe it’s evil? We’ll see.
Replies
5
Views
410
BloomBard
B
K
Is this sand safe for growing?
Replies
8
Views
468
KTG808
K
KeeperOfKeys
Is this seedling ok? (First grow)
Replies
10
Views
436
Gmix
Gmix
alexanderAB
Stunted seedlings : toss or wait for a miracle ?
2
Replies
20
Views
1K
Gmix
Gmix
C
Please help, consistent premature yellowing with Earthboxes & BAS 3.0
Replies
9
Views
2K
SquaadFather
S
Littlefoxton100
Keep away the pests in my shed!
Replies
3
Views
478
Redneckx
Redneckx
ChuckFinnl3y
Should i start to be worried ?
Replies
15
Views
571
Imzzaudae
Imzzaudae
SnappyJack
NITROGEN TOXICITY... DID YOU EVER HAVE IT?
2
Replies
23
Views
2K
wobbleysausage
wobbleysausage
N
Are these babies done for 😭
2 3
Replies
52
Views
4K
figolus
figolus
euphoriaup
Advice/Opinions On The Seedlings (Haven't Grown in a Long Time)
Replies
17
Views
697
cannafarmer420
cannafarmer420
Eternulwinter
Runoff 2000 ppm ? New grower please advise
Replies
12
Views
6K
baba.zimbabwe
baba.zimbabwe
C
My first grow has gone wild!
Replies
1
Views
185
Chris67912
C
C
How long can roots stay out of water
Replies
1
Views
359
Bilber
Bilber
P
Clawing or just genetics? any info would be great
2 3 4
Replies
71
Views
4K
GNick55
GNick55
Z
What’s this in the photo?
Replies
8
Views
561
Gmix
Gmix
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