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Back to Grow Questions
Leaf Discoloration
MisterPandaBear
started grow question 6y ago
What is causing this discoloration pattern?
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Week 12
Leaves. Color - Yellow
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Answer
MangoDudu
answered grow question 6y ago
It’s like a micronutrient def, Zn causes the necrosis on tips of the leaves in a immobile way. Maybe combined with Mn that causes that one in the middle of the leaf. Are u sure to give them enough calmag?
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Similar Grow Questions
Solved
Carlotta
Leaves turning yellow
Old leaves die,mig-age turn light green,new stay green.Is this normal for just week 4 of flowering on my auto? Do you think it might be ready sooner than week 11? Or is it just a problem? "feeding/watering every 4 days,never used cal/mag supply,medium=soil light" Thanks growers
Leaves. Color - Yellow
6y ago
2
Solved
masterofsmeagol
Leaves are turning yellow and dieing. Looks just like nitrogen deficiency. I'm in early flower
Losing a bunch of yellow leaves during early flower. I have WPM but it wouldn't progress like this would it? I think I may have just been underfeeding or my pH is off. What do you guys think?
Week 23
Leaves. Color - Yellow
5y ago
3
3
Solved
sir_root
Yellowing leaves mid-flower, sulphur lockout or just normal progression?
Noticed a few of the smaller lower leaves on a couple of the plants are doing this. It is still very few, so I am not quite panicking yet. I am going to recheck the pH on my res. No nutes, hot soil. Could this just be the natural progression of the plant as it builds buds?
Week 11
Leaves. Color - Yellow
6mo ago
2
3
Solved
Magic43562
Yellowing leaves
I cant seem to figure out why she’s yellowing so much. Week 5 or 6 into flower. Ph is on point, trichs are mostly clear still. Anything to be worried about?
Leaves. Color - Yellow
5y ago
5
2
Solved
InigoMontoya
Mag/cal deficiency?
Started on lower leaves with light yellow patches, camera doesn’t quité pick it up. Soft water area so I’m assuming magnesium deficiency?
Week 4
Leaves. Color - Yellow
6y ago
2
Solved
heythere12345
Too small ?
Auto zamaldelica+ banana kush auto Day 10, no nutriens used yet, 6 cm each. Are they too small for their age? Color of the leaves look ok?
Leaves. Color - Yellow
5y ago
6
7
Solved
Abadakor53
New leaves are yellow af
New leaves are coming super yellow and i dont know why?
Leaves. Color - Yellow
6y ago
1
1
Solved
deanondeanon
Leaves
Any idea what this could be?
Leaves. Color - Yellow
6y ago
2
3
Solved
CannakingMosey
I don't know whats going on with my baby. Pleaser help my friend told me you can ask for help here. is this a deficiency?
Week 1
Leaves. Color - Yellow
8y ago
1
3
Solved
GreenEyez
Yellowing fan leaves - How to prevent?
🍂 Any suggestions on what to do with my yellowing most lowest fan leaves? My displayed nutrient plan is up to date and many pictures from past weeks to display the yellowing process (mid section of the plant). 🍂 I aim to water with pHd water of ~6,0-6,5pH. All help appreciated!
Week 9
Leaves. Color - Yellow
4y ago
3
6
Solved
Maincard
Still have problems
Still have problems, day 41,ph 6,5 tap water. Could it be Mag.? Use LED. THX.
Leaves. Color - Yellow
4y ago
2
2
Solved
Blabina
What kind of issue is it ?
What kind of issue is it ? Is it deficiency or leaf damage ? If deficiency, which one ?
Week 5
Leaves. Color - Yellow
5y ago
4
1
Solved
DrBuffy
How can I fix high runoff EC and pH?
EC high (0.2ms/cm in, 0.6ms/cm out), pH runoff a little high (6.71 in, 7.18 out). Yellowing of leaves moving up plant, followed by yellowing between the veins on new growth. Help please!! Had issues with this one for a while so last fed 2 days ago with 1ml/l of Biobizz
Week 9
Leaves. Veins - yellow between
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
3
7
Solved
GreenGoblin123
First time growing
Are these plants gonna power through? I made some changes since last diary entry. Lamp is now around 30 inches And just fed them clear RO water since last Monday. Should I still PH it?
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Leaves. Color - Yellow
Plant. Too short
Feeding. Schedule
6y ago
2
3
Solved
hooolian
Yellow leaves - Sohum living soil
Have been growing these in sohum living soil - they are nearly 9 weeks old - they look great but there are many yellowing leaves - would a small dose of blooming nutrient help at this stage? or is all normal and should just use water as normal til the end? thanks!
Week 8
Leaves. Color - Yellow
4y ago
2
2
Solved
Iwanteatgelato
Yellow spot on my leaf. :) PH fluctuation ?
(Water change) I had set to 5.5 PH and waited 20 minutes. I put in my fertilizers, everything was fine. The next morning the ph had dropped to 4.7.. So I put it back up. The next morning yellow spots appeared on the leaves. Did you confirm that is due to ph fluctuation ? Thank's
Week 3
Leaves. Color - Yellow
6y ago
2
Solved
BENY_TRUBY
Hojas bajas amarillas
After a sunny day without excessive heat, I've noticed yellow leaves at the bottom of this auto mutante (2 plants from one seed). I've fed it some fertilizers, even calmag in an appropriate amount for prevention... What could it mean? How does it look?
Week 6
Leaves. Color - Yellow
2y ago
6
4
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
Eightblack
Leaves Green lime
since flowering started, the top has lightened like lime green i did a runoff to test ph and ec and everything is ok. What could it be?
Leaves. Color - Yellow
6y ago
2
2
Solved
TheDoctor
Nitrogen deficiency
Hi! My LSD and the Blue Gelato 41 start to develop some yellowish patches on the leaves... Do you know what it could be? for me it looks quite like nitrogen deficiency but i'm not sure... Should i try to take care of it or should i leave them like this in their final 2 weeks?
Week 13
Leaves. Color - Yellow
6y ago
6
4