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Back to Grow Questions
Black Leaf
PlanTings
started grow question 6y ago
Does anyone know what's this? I just transplanted it, yesterday, and one of the leaves is getting black and smaller.
Solved
Leaves. Color - Black or grey
likes
Mr_Cannab1sir
answered grow question 6y ago
At that age the shock probably killed it mate. Tbf ya can't even see what you mean because you've taken a picture under light, so I'll guess it's shock
1 like
Complain
Selected By The Grower
Newbie5648
answered grow question 6y ago
what Mr_Cannab1sir said.
2 likes
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Similar Grow Questions
Solved
hazaj
Dark leaves, clawing
So couple weeks ago my plant started turning into dark green colour . Using biobizz nutrients, using always 1/2 dosage, sometime even less in big pots. I though it was nitrogen toxicity. But not sure anymore. If anyone has idea what it could be? Using 0,5ml of their grow
Leaves. Color - Black or grey
2y ago
4
5
Solved
UncleOrganic95
Yellowing to slight grey leaves
What's the cause of the older yellowing leaves with some grey and the slow spread to the newer growth? I'm between pH problems and or deficiency but not too sure.
Week 3
Leaves. Color - Yellow
Leaves. Color - Black or grey
5y ago
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Solved
The_Wanderer
🌌👽 Harvest Alien Sparkle on auspicious day... or wait? 👽🌌
Harvest on the Winter Solstice? Or wait? What would you do? Wife says harvest. I say wait. What do you say?
Buds. Other
Leaves. Color - Black or grey
8mo ago
3
5
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
6y ago
2
3
Solved
baddawgLLL
a black spot
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Leaves. Color - Black or grey
4y ago
3
3
Solved
BudXs
Please see the 2 photos marked in the diary. Is this a classic PK burn? Did a feed with no MegaCrop, no cal-mag, just PK boost at diluted dosage. The coppering and yellowing has come sudden. Leaves are crispy where burnt. I hear its easy to burn with PK boost. Did I do that?
Week 13
Leaves. Color - Black or grey
7y ago
5
2
Solved
Glen1818
Nutrient Burn ?
Hello, can some one Tell me whats this is ? only one of four plants had this problems im watering when its dry , 2.8-3.3L
Week 9
Leaves. Color - Black or grey
4y ago
3
4
Solved
JoeyJoeGrowJoe
Leaves brown and crispy
Leaves brown and crispy Day HR % 55 Night HR % 65 watering them everyday, could that be the problem ???
Week 5
Leaves. Color - Black or grey
6y ago
3
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
4y ago
3
Solved
tangie
Yellow & brown spots in 2nd and 3rd week in coco-perlite nursery cup. What am I doing wrong? Fed until 20% runoff (extra), strained. Smth with roots?
2nd grow in 70/30 coco-perlite mix* & very similar issues w. yellow/brown spots in weeks 2-3, then stabilizes. *CalMag & pH buffered 6h @ 0.5mS, pH5.8, strained** & seed planted. Feed: W1: **Strained sol. + water 70/30, pH5.8
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Week 2
Leaves. Edges burnt
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
2y ago
9
5
Solved
TupacFR
Old leaves , black spot
Hello , today i cutted some leaves lowest who were yellow , on the plants. these leaves do not have much light. but i found some black spots and i don't know if it's lack of sun and simply died ? Can i just cut them ? What do you think about that ?
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Week 9
Leaves. Color - Black or grey
6y ago
1
2
Solved
timbarin
What deficiency do you think I'm dealing with? These are old fan leafs.
Week 13
Leaves. Color - Black or grey
5y ago
4
2
Solved
Screwie
Weird coloured leaves
The leaves are yellow a bit on the outside and just today noticed that it looks kind of black too. Anyone know if this is because of a certain deficiency?
Leaves. Color - Black or grey
5y ago
5
5
Solved
Frm11001
Mi situación empeora! AYUDA
VERY COMPLETE DESCRIPTION IN COMMENTS!
Leaves. Color - Black or grey
5y ago
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6
Solved
HomeGrowBro
Late flowering damaged leaves
Hi. Should I be worried? What action must I take. I dont want to spoil this grow. Thanks
Week 15
Leaves. Color - Black or grey
4y ago
1
3
Solved
Lil_Teddy
what cause it,Is it normal?
Week 7
Leaves. Color - Yellow
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
6y ago
2
5
Solved
Prilyfe13
Gray leaves on buds with a massive concentration of trichomes. What is it?
No clue what this is. Light gray leaves, tons of trichomes. I'm a bit confused here. Should I just cut the buds that look like this to be safe? Or is this normal?
Week 12
Leaves. Color - Black or grey
3y ago
6
8
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
Solved
ElMetitor
Color leaves
Hi do you know what these spots are ?? where the leaf is located it looks thin and is drying out. Thanks for help. I have used many types of insecticides.
Leaves. Color - Black or grey
6y ago
4
5
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
4y ago
7