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Back to Grow Questions
Leaves turning funny
Australianbuds
started grow question 3y ago
Hello can anybody please tell me what this is and the cause plese for the leaves to be discoloured and dying ogf
Solved
Leaves. Color · Black or grey
likes
Grey_Wolf
answered grow question 3y ago
at first i thought insect attack but apon closer look it almost looks like mold could it be powdery mildew ?
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Clutch
What leaf problem am I dealing with?
FanLeaves are turning black from the inside to outside. It's looking like a starting problem. Please help me recognize this 🙂 first picture (leaf on the bottom shows it best)
Leaves. Color · Black or grey
5y ago
5
6
Solved
MarkWatney
Black spots?
Is this a deficiency, nutrient burn, or disease, growing in MG soil, recovering from overwatering as well.
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
6y ago
1
1
Solved
1juan420
greyish curling leaf tips and dieing branches after topping
the highest branches died after topping. It looks to me like they had the same symptoms like some new upper branches are developing now. It looks very dark & feels soft Temps were 17-19°C & Humidity was be 5.90%+ Water should 9, think ph reader might be wrong and ph is too low?
Week 7
Leaves. Color · Black or grey
2y ago
1
Solved
Dutchhobby
Black spots and light green leafs
Anybody knows what the black spot in the new leaf grow in center is.never seen it before.also very light green leafs with 2.i use light mix and never had this issue before.use rain water.
Week 2
Leaves. Color · Yellow
Leaves. Color · Black or grey
4y ago
3
4
Solved
Catova
Fungus or Mold When Drying?
Drying for about three days in bathroom with rh approx 55% and temp 70 f. Seeing blackening of the sugar leaves, is this a fungus or mold? Any cure?
Week 10
Leaves. Color · Black or grey
5y ago
6
3
Solved
Fro5ty
Necrosis at upper leafs of 1 plant in RDWC
Are the leafs dying? Or am i having a deficiency? Hangover NYE. slept till monday. pH dropped to 5.0 by then. Changed water. 2 days EC 0.8 to 0.6. pH stable 6.3, is weird, caus it has been dropping continuously. Lower leafs look fine. It's also the ripest girl fyi. Problem worsen
Leaves. Color · Black or grey
4y ago
1
3
Solved
Corwinism
What's Happening to my Glookies? Lower Growth Yellowing with Grey/Light Brown Spots.
Yellowing with grey/light brown spots occurring on the Glookies plants (starting from the tip of the leaf). I believe it may be due to the Fox Farm Ocean Forest soil mix but any advice or input on what is possibly happening is greatly appreciated. Fingers also fused together.
Week 2
Leaves. Color · Yellow
Leaves. Color · Black or grey
6y ago
3
1
Solved
Nocturnalgardener
Calcium Deff
im just wondering if you think this is a calcium deff?
Week 9
Leaves. Tips · Burnt
Leaves. Color · Black or grey
5y ago
2
1
Solved
Filiaes
Grey leaf tips
Booth plants are showing some kinds of burn and I am not sure if it is nutrient burn or light burn or if there is something missing. Looks a bit like MG deficite but shouldn't the plant take that from the soil in that state and age?
Week 2
Leaves. Color · Yellow
Leaves. Color · Black or grey
Feeding. Deficiencies
3y ago
5
5
Solved
watson
Heat stress?
Heat stress and can it be saved? Had to go away for a couple days. Hottest days of the summer mid 90's, full sun, but well watered. This is my first ever grow (auto & outdoor) and I expected about 1 week left until harvest. Thanks
Leaves. Color · Black or grey
4y ago
1
2
Solved
einamio
First time DWC, day 70, 3 weeks in flower. Nasty rusty spots appear on lower leaves. Is this CalMag or else? Please help understand and fix, thank you :)
I'm using TA Tripart, current EC is 1.6 - ph 5.5-6.5. Everything was smooth until week 10. Two weeks ago I started adding Plagron Power Buds and Green Sensation. Yesterday added CalMag to see if it helps, but it doesnt seem to... She drinks a lot, ph mostly goes down, EC static
Week 11
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
Leaves. Other
2y ago
8
6
Solved
GreenBean
leaf discolouration
edges of leaves are a blackish tint
Week 20
Leaves. Edges burnt
Leaves. Color · Black or grey
7y ago
1
Solved
m1kax
leaves brown stains
is my 1st time growing weed. my plants start get this brown stains on top leaves 2 weeks ago; i check ph was 5.95; so i think this could be calcium, because internet say they cant absorb calcium; i have high humidity before the stains appear like 80% but was only 4 or 5 days.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
3y ago
2
4
Solved
DrBuffy
Darkening and curling of fan leaves
What is causing darkening and downwards curling of the fan leaves? Started a few days ago, concerned if I don't fix it now it will spread and stunt my plant
Week 6
Leaves. Curl down
Leaves. Color · Black or grey
Setup. Strain · Autoflowering
6y ago
1
Solved
growbie
What deficiency it can be?
what deficiency it can be? its start from upper fun leaves
Leaves. Color · Black or grey
6y ago
2
2
Solved
Amboss
Deadly Leaves
Start Week 9 … is this a Problem or normal?
Leaves. Color · Black or grey
2y ago
1
Solved
HighGrower89
Dunkle Flecken auf den Blättern.
Hey.. On one of my White Widow plants, dark spots have been appearing on the leaves for days, and today I've also noticed the first spots on a Blue Dream.. Can someone tell me what's going on and how I can get rid of it? Removing the affected leaves hasn't helped.
Leaves. Color · Black or grey
5y ago
2
1
Solved
einamio
I keep loosing leaves to some sort of nasty necrosis. It affects leaves at all levels, small and big randomly. I had to remove a lot of dying foliage
At first it looks like a asymmetrical spot of leaf starting to thin out to lighter color then tissue dries and turn black. I have high runoff EC3.3 and I blame Easy boost pellets because I only add rootjuice 1ml/L and sugar royal 0.5ml/L to my water. What is it and how I fix it?
Week 5
Leaves. Tips · Die
Leaves. Color · Black or grey
Feeding. Deficiencies
2y ago
5
5
Solved
Pseudofejk
What kind of Bug?
Hello, i have these grey/silver spots on a leaves. I also discovery 2mm long and thin white bugs without wings mostly on top of leaves. But i can not determine what kind of Bug it is. Any ideas?
Leaves. Color · Black or grey
5y ago
3
3
Solved
Chilipadi
Grey spots appearing on both sides of leaves on this seedling. Already receiving light feed grow+calmag. What could this be?
Leaves. Color · Black or grey
5y ago
2
2