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Back to Grow Questions
Yellow Leaves
420cropper
started grow question 5y ago
Can anyone give me an answer as to why this one plants starting to get a yellow colour coming threw in the middle of the leaves? I don’t think it’s due to heat as the other plants are growing a nice green
Solved
Leaves. Color · Yellow
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DoctorGreenThumb
answered grow question 5y ago
Hard to tell by the pic but it looks like magnesium deficiency to me.
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Selected By The Grower
Similar Grow Questions
Solved
Enyalici0us
Se ve sana esta White Widow Auto?
I see some yellow leaves at the bottom, it has about 30 days left of flowering. Do you think it's missing something? I'm a little worried about those leaves.
Leaves. Color · Yellow
6y ago
1
1
Solved
minigroww
Yellow spots on leaves
Am I correct in assuming that the spots on leaves were probably caused by ph fluctuation? If so, is there anything I can do besides flushing with proper ph water?
Week 4
Leaves. Color · Yellow
6y ago
1
5
Solved
Megzzz
Leaves going yellow
Some lightening/yellowing of leaves at bottom not sure why any ideas?
Week 6
Leaves. Color · Yellow
5y ago
1
1
Solved
Hemporio_Afghani
this girl gets the same feed as the girl next to her who shows now signs of deficiency. perhaps 1ml/L cal mag was too high?
Week 5
Leaves. Color · Yellow
6y ago
2
2
Solved
Noobftp
ph 6.1 6 weeks fog 50% Celsius 24 Yellowing of the lower leaves What could be the problem?
… Show more
Leaves. Color · Yellow
6y ago
6
Solved
pijnkman
As you can see, the first two plants look quite good while the last two leave something to be desired. The leaves on the back left are curling downward and
and yellowish at the tips (in places). What could be the reason? I ordered some epsom salt to try it out (sulphur). I grow in floragard proffesional growmix (grown in lightmix from biobizz) and have so far only “fertilized” with supervit, otherwise only pH-adjusted water. pls hlp
Leaves. Curl down
Leaves. Color · Yellow
Leaves. Color · Dark-brown
1y ago
4
Solved
Ionic20
Advice please :)
This is 24 hours later. Should I just give some calmag now even tho the soil is still damp?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Feeding. Deficiencies
6y ago
3
3
Solved
Sup3rNov4
Nute burn during flower
So I have noticed something strange. Well I think it's strange I could be wrong as it's my first grow but I started flushing 3 days ago and now I'm seeing a lot of nute burn all over the plants is this normal ?
Week 9
Leaves. Tips · Burnt
Leaves. Color · Yellow
6y ago
1
1
Solved
I_am_him
What are these leaves telling me?
What are these leaves trying to tell me? This is a 1.5 month old dosido from Barney’s farm. Not sure what I did wrong or if nothing.
Leaves. Color · Yellow
5y ago
1
1
Solved
cultivars
Iron Deficiency?
Appear to have an iron deficiency, perhaps as a result of lock-out. May have been triggered by light stress or environment changes. Living soil media, watered with rainwater, supplemented with compost teas and organic soil drenches pH to 6.5. Seeking advice as to how to correct
Week 8
Leaves. Color · Yellow
Setup. Strains · Photoperiod
Setup. Outdoor
2y ago
3
1
Solved
Hermes88
Help me please. Thank you so much.
Hi guys I need some help with my little plants, I have three plants one of them it's all right but the other one has this problem, I don't know if the problem is nutritional excess or nutritional deficiency, or maybe the irrigation.Instead for the topleaves look at the last phot
Leaves. Color · Yellow
Leaves. Color · Dark-brown
3y ago
2
3
Solved
Ganga_Grower
Yellow/brown splodges
Hi there My plant is still young @ just over 2 weeks now. She has these brown/yellow splodges on only one leaflet but the new growth is looking a healthy green, so im not too concerned at this point. I am curious as to what it is though. What would you guys suggest it to be?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
3
2
Solved
MBnVA
Nutes. Advice-Zkittles
Nutrient burn? All advice is welcome! 1st grow. If you see my pics...thoughts on thinning them out. Thanks ✌️
Leaves. Color · Yellow
Feeding. Deficiencies
Techniques. Defoliation
5y ago
1
1
Solved
NIagaraFalls420
Leaves turning yellow/pointing up, stem turning purple
Having a problem with one of them.. all the leaves have gone very yellow and are pointing upwards. The stem is also very purple now. Any ideas what this could be? Other than a feeding of bud candy and watering here and there it hasn’t gotten any other feeding. Thanks!
Week 7
Leaves. Curl up
Leaves. Color · Yellow
Plant. Stem · Red or purple
6y ago
4
3
Solved
Rabidreject
Lime green/yellow plants
Ok so my OG Ladies are looking pretty lime green/yellow. I noticed when I mixed my nutes I think I mixed up the a and b bottles I also don’t really check PH, relying on microbes to buffer. I checked it and it’s high. Iv fixed the res mix and upped the dose. It’s been 24h ish…
Week 8
Leaves. Color · Yellow
5y ago
1
Solved
denis_naprimer
Leaves look a bit yellowish and dopey.
Sorry was not able to attache a new photo to the previous question, so I just created a new following question. What am I doing wrong with my plant?
Leaves. Color · Yellow
4y ago
1
1
Solved
JacareGrows
Leafs yellowing
What can this be? It happened in 1 day. Is plant asking for nuts? I added only water for 4 days because i was afraid of been giving to much nutrients. Could be a pH problem?
Week 9
Leaves. Edges burnt
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
1
1
Solved
Mattyboyy
Leaves curling upwards and brown spots 10 week autoflower
My plant is worsening and I’m not sure what’s happening. I first thought it was heat stress but it has been a week and is still going down hill. Leaves curled upwards Brown spots on leaves Turning to crisp
Week 11
Leaves. Curl up
Leaves. Color · Yellow
5y ago
3
Solved
Murrod9106
Nutrients
Can anyone tell me if my ladies are lacking nitrogen
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
2
2
Solved
JuicyBuds__BLM
Deficiencies...?
Can someone give me their opinion as to what deficiencies this girl is showing? She is getting super hungry and is very large. Coco is the medium and she only gets RO water, hardly ever above 1000 PPM. 6.2 is the PH. I am thinking Potassium Def
Week 13
Leaves. Color · Yellow
6y ago
2
1