The Grow Awards 2026 🏆

Back to Grow Questions

Leaves turning funny

Australianbudsstarted grow question 2y ago

Hello can anybody please tell me what this is and the cause plese for the leaves to be discoloured and dying ogf

Australianbuds

Australianbuds

Solved

Leaves. Color - Black or grey

likes

Grey_Wolfanswered grow question 2y 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

Leaf colour black

Leaves. Color - Black or grey

2y ago

8

4

Solved

Dark tips it seems to me that the tips of the leaves have a very dark color, it looks like an excess of nitrogen but in three weeks I have never fertilized and the only additions to my biobizz light mix are a sprinkling of guano kalong and 10% of worm humus biobizz.

Leaves. Color - Dark-purple

Leaves. Color - Black or grey

5y ago

4

3

Solved

I posted some photos of my soil white cookies in week 14 of this diary. The sugar leaves are white almost looks bleached. Its stacked with trichs but is white and I dont know if that's good or bad. Nothing dieing and theyve been white for 3 weeks. No sign of mold, stress, nothing

Leaves. Color - Black or grey

7y ago

3

2

Solved

Black spots I dont know wuts happening she was doing so weal, do you gise know wut thes black spots are ??, m feeling so bad for hear 😭

Leaves. Color - Black or grey

5y ago

4

4

Solved

Leaves with Spots brown/yellow.this is my 1st grow, they are autoflower and this is day 60. ec from last runoff was ok. ph was 5.95 maybe is too low, but im already give him high ph they start getting this stains week ago i change my light recently, and i got high humidity last week like 80%.

Leaves. Color - Black or grey

2y ago

1

1

Solved

Deadly Leaves Start Week 9 … is this a Problem or normal?

Leaves. Color - Black or grey

1y ago

1

Solved

Leaf color. Day 14.The coloration on my first leaves is worrying me. First grow. I really don't want to stunt her. G&B potting soil, filtered soft water, Myco+ in my water, 100w AC infinity Ionboard.

Leaves. Color - Black or grey

3y ago

3

1

Solved

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

Deficit or excess? Or what What happen

Leaves. Color - Black or grey

3y ago

1

5

Solved

What’s the problem ?Rqs Nl Auto week4 flowering BioBizz all mix biobizz nutrients What’s the problem ?

Leaves. Color - Yellow

Leaves. Color - Dark-brown

Leaves. Color - Black or grey

3y ago

2

2

Solved

If a plant has cal and mag and phosphorus def how do you correct these If a plant has cal and mag and phosphorus def how do you correct these

Leaves. Color - Black or grey

5y ago

1

3

Solved

Can anyone tell me why my leaves are curling up

Leaves. Color - Black or grey

5y ago

3

Solved

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

Black spots spreading // Need your help!Anyone got a clue what this dark spots could be? It started in a corner of the tent with 1 plant a few weeks ago and now it has spread to another. I suspect pH issues and a nutrient lockout bc of that. Not sure if its the same issue though..Could be an infection as well...

Leaves. Color - Dark-brown

Leaves. Color - Black or grey

2y ago

1

4

Solved

Hey brothers and sisters ! This is my first grow so IM little out of this but still to get some good results with latte yield (Im hoping) So my setup is -4quick ones 2x190w led panels from dutch passion (so they should ne pretty high quality i hope ! I would apreciate All help

Leaves. Color - Black or grey

7y ago

1

Solved

LEAFS DYING The edges of the leaves are dry and black. Every single point of the leaf is burnt(black) or yellow...even some edges on the leafs of the coal are burnt. I guess it’s overfert...but I just flushed. Is it Ph? I haven’t checked in awhile. Is it they ready to be cut down?

Leaves. Color - Black or grey

6y ago

1

2

Solved

dark discolouration developing in flowering wk 3 howdy growbuds, noticing the pictured discolouration. hope someone w more experience/knowledge might recognise what's happening to my gals before it develops. advice/opinions welcome on if maybe nut burn/def, temp or ??? a heap more detail in entries to help diagnose. cheerz 🙏

Leaves. Color - Dark-brown

Leaves. Color - Black or grey

Feeding. Deficiences

5y ago

2

4

Solved

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 W2: AN M+G+B 1-1-1 + Simplex CalMag Plus 0.4mS Help

Leaves. Edges burnt

Leaves. Color - Dark-brown

Leaves. Color - Black or grey

1y ago

9

6

Solved

Nutrient burn How can I fix a nutrient burn on a seedling?

Leaves. Color - Black or grey

5y ago

1

1

Solved

leaf problem what would it be cheers Leaf problem

Leaves. Color - Black or grey

5y ago

1

2