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Back to Grow Questions
Leaf Edge Discoloration.
GuerrillaNo_4
started grow question 6y ago
The Purple Hulk Auto is getting light green/yellow discoloration at the edges of the leaf. Any idea what is causing it?
Solved
Week 10
Leaves. Color · Yellow
2 likes
AccyStoner25
answered grow question 6y ago
This book I have says nitrogen deficiency shows as yellowing tips of leaves starting with lower/older leaves. I’m on my first grow too, so I’ll defer to others and am interested to hear what it is.
2 likes
Complain
Selected By The Grower
Similar Grow Questions
Solved
Mike_269
Deficiency?
What problem does she have? It looks like nitrogen deficiency to me, or could that be something else? it seems to be too spotty to be nitrogen?
Week 3
Leaves. Color · Yellow
3y ago
4
2
Solved
ChitownCannaChica
Auto flowers bottom fan leaves turn yellow—- cause and defoliation?
My plants are about week 3 into flower and the bottom fan leaves are Turing yellow and dying out—- is this normal? Should I defoliate these off an auto during flower? How to correct???
Week 6
Leaves. Color · Yellow
6y ago
4
3
Solved
MrBlobbo
Pale and patchy seedlings?
What’s wrong with my seedling? Pale and white patches. 2 days from germ in coco, been feeding 1ml canna a&b per litre. Then gave cal mag only but no improvement. 2 other seedlings are ok but diff strains.
Leaves. Color · Yellow
Leaves. Color · Pale
6y ago
2
2
Solved
Wildgrass
Leaves turning yellow with brown patches
I noticed the first real leaves on one of my plants turning yellow in FFOF. I transplanted them into bigger pots with ProMix M in hope that it would stop. Condition seems to continue worsening. I have started to notice the cotyledons on some of the plants turning yellow.
Week 4
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
2
2
Solved
OrganicCannabisConnoisseur
Why are my plants leaves so bright green/yellow?
Wondering if anyone knows why the plants might be looking as light green as they are? We are running a purely organic grow and have not added nutrients beyond the super soil mixture. Wondering if anyone has any tips or suggestions, thanks!
Week 6
Leaves. Color · Yellow
6y ago
3
Solved
BlumenBot
What am I doing wrong here?
First time running a plant from start using NPK RAW nutes. Sticking to the feeding schedule. Pretty much every tip is dark gray dead leaf... 3 - 5 leaves showing yellowing and maybe a handful more showing the burnt edges
Week 14
Leaves. Edges burnt
Leaves. Tips · Die
Leaves. Color · Yellow
6y ago
4
4
Solved
HQTHC
Why are the edges of my leaves turning yellow ? Temp 77 RH 60 ; other plants look good besides the runt in the left corner
Leaves. Color · Yellow
6y ago
2
Solved
Greenlady
Whats going on with the leaves?
Haven't started with nutes yet. After this pic I repotted into 9l/ 2,37 gallon pot.
Week 3
Leaves. Color · Yellow
6y ago
1
1
Solved
willertex
Leaves with yellow spots
Can you please figure out what is going on with the girl in the picture? Pls note that she's in the exact same environment of others girls, but she seems to suffer much much more. Pls help her (and me) 😉
Leaves. Color · Yellow
4y ago
1
4
Solved
Amnesiaturk34
Yellowing leaves.
There are yellowing leaves on this plant and it is spreading. I feed it with pH 6.5 water. what do you think i should do?
Leaves. Color · Yellow
4y ago
2
Solved
Spiral
Fast yellowing in older and middle leaves, small buds.
Hi guys, I need your help on this one, this is a completely organic grow under a FC-6500 light which is 60cm at 100% power, it can't be light stress because the tops are fine.This yellowing happened fast in the span of 4 days.PH shouldn't be an issue since I calibrate regurarly.
Buds. Not fattening
Leaves. Veins · Stay green
Leaves. Color · Yellow
3y ago
2
1
Solved
squirtle42
First Time growing Automatics
My Wedding Cake Autos (Zamnesia Seeds) have been showing some yellowish to brown discolorations on a few leaves for a while now. What can I do? Should I remove the damaged leaves and what about defoliation in general?
Week 4
Leaves. Color · Yellow
4y ago
2
4
Solved
PeppaWutz
Yellow leaves at lower part of plant
Hey! Two of my bigger plants have some issue. The lower leaves turn yellow really fast and fall off. The others are ok but have a really small nute burn. What is this?
Leaves. Dropping off
Leaves. Color · Yellow
6y ago
1
1
Solved
persakatzen
Curly young leaves (help)
I have a little problem with the plants in my indoor (70x79x160 with 4 airpots each of 12 litres) since 2 days ago are decayed, 3 days ago (Friday) I changed the lamp mars hydro ts600 (100w) for a more powerful mars hydro Fc300 (300w) I do not know if it is the change of format, the power of the knob I left it at half that is in theory 150 watts of its total
… Show more
Leaves. Too many
Leaves. Twisted
Leaves. Color · Yellow
4y ago
4
4
Solved
Lapolda
leaves turn yellow
Hi to all. My leaves are turning yellow and I have no idea if they lack nitrogen or if they are over fertilized. Thank you very much for the advice.
Week 7
Leaves. Color · Yellow
4y ago
1
7
Solved
Stokenation420
Light burn x cal mag issue?
Light burn x CalMag? I have raised lamp higher.. lower leaves looking cal mag issues ? Growing in coco/pearlite, using bloom yellow bottles nutes. Any ideas? Suggestions? Thanks legends, keep the dream alive.
Leaves. Tips · Burnt
Leaves. Color · Yellow
5y ago
3
3
Solved
ETphonehome
Yellowing
We dropped the lights back to 50%and to 12hr of light and 12off it seems to be a bit happier
Week 13
Leaves. Color · Yellow
6y ago
1
2
Solved
SgtDoofy
How to fix yellow leaves, brown spots.
What should I do about these brown spots that are overtaking my leaves? There's also yellowing on the lower, older fan leaves.
Week 6
Leaves. Curl up
Leaves. Color · Yellow
Feeding. Deficiencies
4y ago
5
6
Solved
hweixd
Day 4, after emerging. Is this coloration on the cotyledons okay?
Humidity is 55 - 70, temp is around 20-24c, 50w full spec led It's my first time, and i think i have been watering it too much I also fed it 2-0-0 npk water with 4ml per liter and I since learned it's not okay. Will it recover? Is this too little grow for day 4?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
3y ago
4
1
Solved
UKAgent47
Sick plant
Help, my plant really looking sick and new leaves not looking that healthy. I have been feeding CalMag every other feed and only 850 ml every 24hrs and soil is dry on top layers before watering. Not sure what’s going wrong here. Much appreciate your help guys
Week 4
Leaves. Color · Yellow
6y ago
2
2