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Back to Grow Questions
Grey leaves
herbalistssword
started grow question 5y ago
Noticed some leaves getting a brown grey colour. Any idea what this is? Seems to only affect leaves on one branch
Solved
Week 19
Leaves. Color - Black or grey
likes
MangoDudu
answered grow question 5y ago
I think calcium deficiency next to the clorosis the leaf will start necrosis if is calcium def ✌️🏽
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Selected By The Grower
Similar Grow Questions
Solved
Zark002
strangely growing leaves.
hi guys, after doing a defoliation and someone ties, some smaller branches from the bottom started to present this problem where the new growth should come, do you know what it could be and how to fix it?
Week 5
Leaves. Color - Black or grey
3y ago
3
Solved
Clout_god67
Organic peat control
I think my plant is being eaten but gnats and it looks like nutrient damage on it but I haven’t given ANY nutrients to it. What should I do? Can you diagnose my plant? Any remedies? I heard cayenne pepper can be used for a pesticide is there other things? Does Neem oil work well?
Leaves. Tips - Burnt
Leaves. Color - Yellow
Leaves. Color - Black or grey
4y ago
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8
Solved
Chillymann
Black poison is starting to show her colors.What can i do to speed up or enhance this process.See photos.This is a outdoor grow .
Week 16
Leaves. Color - Black or grey
5y ago
1
Solved
EvilGrower
Leaf discoloration - light and dark splotches
Hello! Any ideas as to why my leaves have splotches of discoloration? 😅 It appears that one leaf has light 💀 patches while the other leaf has dark. 👹 Thanks for your time! 🙌
Week 2
Leaves. Color - Yellow
Leaves. Color - Black or grey
5y ago
2
3
Solved
BigD_era420
Seeding problem
After using Neem oil, my seeding get burn really bad:( What can I do to help her recover?* picture before and after
Leaves. Color - Black or grey
2y ago
1
3
Solved
Clutch
What leaf problem am I dealing with?
Fan leaves are turning black from the inside to outside. What's going on here?
Leaves. Color - Black or grey
4y ago
3
4
Solved
Maskedcucumber
At what stage do leaves get darker ? This is confusing
I overwatered them at the beginning of veg and then I fed them with 0.7 ec nutes max, EC would go up if I gave more. I've had tips burning probably from light too close. I find that leaves are pretty dark but it may be because of the strains. When leaves do get darker in flo ?
Week 9
Leaves. Tips - Burnt
Leaves. Color - Black or grey
2y ago
3
4
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
4y ago
3
1
Solved
ZhugeTsuki
What the actual heck is going on with these leaves
Leaves from all around the plant are showing these symptoms. Much more detailed info in grow diary but current runoff ec is 1.7 and problem is spreading quite badly.
Week 7
Leaves. Tips - Die
Leaves. Twisted
Leaves. Color - Black or grey
5y ago
1
3
Solved
tiasmaaa
Phosphorus deficiency ?
I'm not sure but I think it's a Phosphorus deficiency, right ? And if it is, how can I fix that ? just adding more alga bloom ?
Week 10
Leaves. Color - Pale
Leaves. Color - Dark-purple
Leaves. Color - Black or grey
3y ago
4
3
Solved
Pifferson
Listless plant
What would cause this specific plant to look so droopy and sad? Had to cut out some totally dead growth. I’m at week 7, is it too late to help it?
Week 7
Leaves. Color - Black or grey
3y ago
2
Solved
ScottShelby
Weird spots!
HELP me out please , what the plant is trying to tell>>?, I'm using CFL lights, watering with 300ppm and 6 pH
Week 3
Leaves. Color - Black or grey
3y ago
2
2
Solved
Ner0z
Black discolouration on leaves
Okay so the problems with the black spots continue only on one plant. I tried reducing nitrogen and increased calmag to 4ml/g. I defoliated the affected leaves and sprayed with baking soda mix. 3 days later they're appearing again. If I don't get this fixed soon im gonna lose her
Week 2
Leaves. Color - Black or grey
4y ago
2
3
Solved
Yasai420
Flower discoloration
All flowers of one of my two plants have grey/black discolorations, is this something to worry about? My other plant is totally fine.
Week 5
Buds. Other
Leaves. Color - Black or grey
3y ago
6
6
Solved
herbalistssword
Grey leaves
Noticed some leaves getting a brown grey colour. Any idea what this is? Seems to only affect leaves on one branch
Week 19
Leaves. Color - Black or grey
5y ago
1
Solved
Mancha
Need some help, I'm really lost
Hi people, need some serious help here. The new leaves look like sh¡T. They are kinda yellowish and the tops are necrosed. Some spots on the leaves too! I added some silica in the last water but I don't know if was the cause. Soil pH varies between 6.5 and 7.0. Any ideas?
Week 5
Leaves. Color - Yellow
Leaves. Color - Black or grey
3y ago
8
Solved
Dean1
Hi all Iv been getting some marks on the older leaves burnt patches leaves are dry and yellowing is it previous issue Iv had and the affected leaves are just a result of it ? New growth seems ok and they are growing pots are taking 4/5 days to dry out could that be an issue 🙏🙏�
Week 7
Leaves. Color - Pale
Leaves. Color - Black or grey
3y ago
5
4
Solved
portcityplug
Flower development
I'm starting my week 3 of flower I'm starting to notice inside of my canopy some of my leaves in Bud sites are getting very wilted and going black could this be the start of a mold or is this a natural thing should I remove anything that looks like this ? Also my humidity is 70
Leaves. Color - Black or grey
5y ago
1
1
Solved
RunWithIt
Popped up around last week (week 4, monday). Prior to week 4, i had been watering with tap water, which in my area is pretty hard.(7.8+ pH) Been correcting pH to 6.8 with each watering since. (2 waterings since then.) Should i just continue feeding 6.8 pH water or add cal-mag?
Week 5
Leaves. Color - Black or grey
7y ago
2
4
Solved
Oggigz
Should i care ? I m going paranoid xD
Hello guys, i m on day 28 from seed i would like to have some points of view of another growers.... leaves got silvered/brown colored with snowy aspect... not on all leaves but i m pretty affraid of insect and shroom contaminations... thx for replies men and gurls
Week 3
Leaves. White powder
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
4y ago
3
3