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Back to Grow Questions
Small yellow stains
Horosho
started grow question 5y 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 5y 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 5y 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 5y ago
It's from getting the leaves wet
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Similar Grow Questions
Solved
Aeries
Rust damage
Any idea on how to help her recover? There was metal wire above the canopy and when it rained the rust from it was dripping into her 😔. Fixed it now but I would like to help with healing if possible?
Week 7
Leaves. Color · Yellow
6y ago
2
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Solved
Italy_Grower
The leaves are yellowing, some are turning purple.
The leaves are yellowing, some are turning purple, maybe it's normal or maybe not, I don't know. If anyone could give me some suggestions. I decreased the light intensity to 75% because unfortunately I can't raise the lighthouse.
Buds. Not fattening
Leaves. Color · Yellow
Leaves. Color · Red or pink
3y ago
6
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Solved
Islandgrowbro
What’s going on here?
Blessings grow bros! I’m having an issue not sure what the problem is could you assist? Planted in soil. Feeding them on a synthetic fertilizer mix 20-20-20, CalMag, 5-2-4 organic fertilizer mix. Spraying with Lost Coast based on directions and parasite control.
… Show more
Leaves. Color · Yellow
2y ago
5
3
Solved
heythere1234
Leafs turning yellow and brown
Hey guys, so anyone knows whats up with that? Also does my other plant look okay?
Leaves. Edges burnt
Leaves. Color · Yellow
Plant. Other
5y ago
2
2
Solved
Peweez
Could someone help me to identify the issue my plant has?
This girl isn't looking healthy anymore and I need to figure out why. What I did: I topped her pretty early but she recovered well (you can see it in my grow diary). A week later I transplanted her from 0.5L pot to her final autopot 14L. After that she had a hard time recovering.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
2y ago
2
3
Solved
Noob_quest
Yellow leaves black tips
What’s happening with this plant? After watering all my plants 2 days ago, one of them has been quite droopy and developed these yellow areas with dark tips. Is it a watering issue / heat / deficiency? Thank you
Week 4
Leaves. Tips · Burnt
Leaves. Color · Yellow
6y ago
3
2
Solved
ykscotttyk25
Durban Poison
What can I do to help this
Leaves. Curl down
Leaves. Color · Yellow
2y ago
2
2
Solved
Plant_Scientist
Nutrient imbalance or healthy development?
Are the colors of the leaves a sign of healthy development in the flowering stage, or a sign of nutrient deficiency/excess? After struggling a lot with the nutrition of this plant, I am not sure anymore whether I'm doing it right. Some of the leaves become yellow and fall off.
Week 22
Leaves. Color · Yellow
Leaves. Color · Dark-purple
5y ago
3
3
Solved
Chow_13
PH Fluctuations and/or Nutrient Issues?
I'm Running a Recirculating Deep Water Culture System( hydro). Had PH dropping dramatically a few days back but did a full water change and everything has stabilized. Just Flipped to a 12/12. Does it look like that was the issue or is it nutrient toxicity/deficiency. Or Stress?
Week 9
Leaves. Veins · Yellow between
Leaves. Color · Yellow
6y ago
2
Solved
LatiAdorati
Yellowing leaves
Lower leaves are turning yellow, these seem to be one that are hidden a bit from sight, so possibly not getting enough light, but it seems to be spreading, and one of them has fallen off. Is this some form of nutrient difficiency, or something simipler?
Week 5
Leaves. Dropping off
Leaves. Color · Yellow
2y ago
4
2
Solved
Goldbud
Yellow fan leaves
New issue starting week 5 of bloom. The lowest big fan-leaves are getting yellow and that very quickly. She got a organic Biotabs PK Booster compost tea 3 days ago. It looks to me she wants more Nitrogen. Should I add molasses? If so how much? Or is it another issue. PH is ok.
Week 9
Leaves. Color · Yellow
6y ago
2
2
Solved
robo
Dry yellow/brown tips, starting from the oldest leaves
What's wrong with the plant this week? Many leaves have dry yellow/brown tips, starting from the oldest leaves. Is it some kind of nutrient deficiency, and how do I fix it? I tested the pH of the drainage water and it was 6.8, I've flushed it down to 6.2 now.
Week 4
Leaves. Color · Yellow
6y ago
4
4
Solved
Brock2010
I DONT KNOW WHAT MY PLANT IS DOING!!
HELP
Leaves. Curl down
Leaves. Color · Yellow
Plant. Stem · Red or purple
3y ago
8
5
Solved
123helpme
What is happening??
I pH test my water and aim for it to be between 6 and 7 (soil). I had some yellowing but this has since accelerated and I dont know what to do anymore... The yellow starts from the bottom and the top leaves are healthy. Please help!
Leaves. Color · Yellow
6y ago
2
3
Solved
Wackytabacky_420
Anyone know what's wrong with my girl?
Can anyone tell me if this is going to effect my flowers? Should I cut these leaves out? What can I do to correct it? I left a pretty good description in week 7 of the battle with this plant.
Week 7
Leaves. Edges burnt
Leaves. Tips · Burnt
Leaves. Color · Yellow
5y ago
2
2
Solved
SugarBoogers
Lack of or abundance of nutrients?
Shes doing really well but I noticed some of the leaves starting to get a little yellow so I stopped giving her nutrients and have just been giving her water for at least a week or two. She still acts like shes getting too much though? GDP auto x gumberry auto is the strain.
Leaves. Tips · Burnt
Leaves. Color · Yellow
Leaves. Color · Red or pink
5y ago
3
2
Solved
Wilmer
What deficit/excess?
I'm noticing that the tips of new leaves have this clear color, what could it be?
Week 4
Leaves. Color · Yellow
6y ago
1
1
Solved
Henbomb8
Spotty leaves
My bottom 2 leaves have a few very small yellow spots. I've heatd that I should start by checking PH and then go from there. Anyone have any suggestions if it is PH?
Week 3
Leaves. Color · Yellow
6y ago
1
1
Solved
420_Little_Green_Fingerz
Deficiency?
I think I have an issue here which could be a calmag deficiency please could I ask if you think im right? Thanks
Week 5
Leaves. Color · Yellow
Leaves. Color · Mottling
Feeding. Deficiencies
5y ago
4
4
Solved
EaRtH
Seedlings tips yellowing
Hey guys, I have noticed that one of my plants starting to show yellowing on the tips of first leaves. I guess I am overwatering. Any advices ?
Week 1
Leaves. Color · Yellow
3y ago
2
3