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Back to Grow Questions
Small yellow stains
Horosho
started grow question 4y ago
Hello colleagues! Would you kindly help me and tell what these yellow stains may be caused by? I think I could set the ph-level too low, so it may be a deficiency of some nutrients, but the plant seems developing normally.
Solved
Leaves. Color · Yellow
1 like
w33dhawk
answered grow question 4y ago
I can only give you the good advice to trust Robert, he knows his stuff and is an absolute pro in his field.
1 like
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Selected By The Grower
Cold_Farmer
answered grow question 4y ago
Roberts was faster than me. 😁 Moisture (drops of water) plus light = spots on the leaf So don't panic
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Roberts
answered grow question 4y ago
It's from getting the leaves wet
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Similar Grow Questions
Solved
Familytrees19
Red/purple stem with yellowing leaves
I got red/purple stems and stock as well as lower leaves like a faded yellow... I think it’s a mag deficiency and wondering how to correct it?? And if it is it even what I think it is?? Any help plz?? I have pics below and can take more if needed
Week 3
Leaves. Color · Yellow
Plant. Stem · Red or purple
6y ago
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Solved
tiasmaaa
Magnesium Deficiency ? How can I fix it ?
got a little deficiency (maybe burned? but I think not). I'm pretty sure it's magnesium's deficiency, it happens after a flushing. I added 2 times the last 2 weeks a little bit of CalMag (BioBizz, but ive bought it 2 years ago, maybe it doesn't work well idk).
Leaves. Curl up
Leaves. Color · Yellow
Feeding. Deficiencies
4y ago
5
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Solved
GreenGoblin123
1 week old
Will this plant be okay? What caused it?
Leaves. Color · Yellow
6y ago
1
Solved
Dreamchvser
Soft hanging yellow leaves, some with brown spots in the middle. Deficiency, Nutrient Burn or what could cause this ?
Hey guys, I got a problem with two of my 4 plants. They started to develop yellow droopy and soft leaves that start to fall off on their own. I’m not sure if it’s a nutrient deficiency or blockout from ph or something else. I watered them only with water ph 6.5.
Buds. Not fattening
Leaves. Dropping off
Leaves. Color · Yellow
2y ago
3
Solved
Wilmer
Over fert?
The tip of the new leaves are getting yellow, but when they grow it disappear. Is this a first overfert synthom?
Week 4
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
1
1
Solved
Gratefuldead
This yellow color makes me wondering?
Week 3
Leaves. Color · Yellow
7y ago
4
4
Solved
AlanTitchmarsh
Spots on 2 leaves. Anything to worry about?
Anything I should be worried about here? May have let the soil go a little to dry before watering this morning. Overall she seems quite lush, just noticed a few spots on 2 leaves
Week 3
Leaves. Color · Yellow
6y ago
2
2
Solved
JO_GROW
Yellow curly leaves
Hi guys I have some problems with yellowing/ curly dying leaves. Description and more pics in the diary, please help if you think you know what the problem is. Thanks!
Week 1
Leaves. Curl up
Leaves. Twisted
Leaves. Color · Yellow
6y ago
2
5
Solved
moswald14
ph too low?
is this discoloration from feeding too low ph'd water? it's been mid 5's for about a week.
Week 9
Leaves. Curl down
Leaves. Color · Yellow
4y ago
2
1
Solved
exclusiveX420
A few bleached top fan leaves
Can someone help me determine a cause of the bleached leaves? Lights have been safely set. Water temps under 75, conditions 55 humid and 75 degrees. GH Flora series+ supplements. Dwc hydro pots. New to hydro. Never had this really with a soil grow. Thanks for any input.
Leaves. Color · Yellow
5y ago
2
Solved
CTCan
Found six different spots of small bud rot on amnesia and removed it all. Should I start flushing now and chop in the next few days? Or push it longer. Expecting rain all week so might be time to give up. Also, how much longer should she have gone?
Week 24
Leaves. Color · Yellow
7y ago
2
1
Solved
Aussiegreenthumb82
Yellow centre veins fan leaves
Yellowing of the inner vein of fan leaves only. Also sporadic yellowing and blemishes of whole fan leaves but only some, others fine nice and green. All bud leaves and buds don't appear affected. Is it just that she's nearing the end of her life cycle? Or over water/over nute?
Week 6
Leaves. Veins · Yellow between
Leaves. Color · Yellow
4y ago
2
3
Solved
420Highlifecouple
Leave problem
Help don’t know what’s wrong with my wedding glues they getting yellow leaves please help
Leaves. Color · Yellow
5y ago
3
Solved
IbeBryBry
What's going on with this leaf?
Week 2
Leaves. Color · Yellow
5y ago
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Solved
GreenBeanGrowMachine
very Bright green leaves with a yellow tint.
Should i Worry about her turning very light green / yellow or is this Just becouse she is finishing her life cycle? OR does this look like Bud rot ??
Week 10
Leaves. Color · Yellow
6y ago
4
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Solved
bobo66
yellow spots on upper leaves, towards the end of flowering, I grow in a Coco ,flowering 8/10
This is my second attempt at cocus I work with Plagron nutrient solutions(Coco Nutrient) I follow the table, there were no problems on my first try.. should i stop nutrients? I always mix the water in a bucket, so I can't spoil it either, because most of the plants are healthy, ph 5.5 is always between 5-7!
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Mottling
4y ago
6
7
Solved
chapadux420
Yellowing leaves
Hey guys, sorry for bothering so much but a few of my leaves are getting all yellowish and as you can see from the photo prob dying. What can I do? And what's the problem? Thanks a lot!
Week 10
Leaves. Dropping off
Leaves. Color · Yellow
6y ago
1
1
Solved
XII_XII_MrGreen
Leaves turn yellow/lightbrown
Leaves turn yellow/lightbrown, already flushed gave extra calmag. No other plants in the same space/conditions have this problem.
Week 6
Leaves. Color · Yellow
6y ago
2
1
Solved
NIagaraFalls420
Deficiency issue/problem with leaves
Any idea what problem I’m having with my plant/leaves? I’m guessing some type of deficiency because I’ve only fed once and it was a few weeks ago. (Check photos in most recent week). Any advice/ tips would be awesome, thanks!
Week 7
Leaves. Wilting
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
3
3
Solved
Falscher_Hase_069
Weird yellowing
What causes the boating and weird yellowing in the leaves? Does Not seem to be a big Problem but im curious Week 3 of veg, 4L pots, organic, handwatering
Leaves. Color · Yellow
1y ago
3
2