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Back to Grow Questions
Oldest leaves turning yellow
Waveform
started grow question 2y ago
What could be the cause of oldest leaves turning spotty yellow on 3 week old plants? They got nutritients end of last week for the first time, but not that much.
Solved
Leaves. Color - Yellow
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Krisis
answered grow question 2y ago
Looks like there’s yellowing in between the veins of the leaf to me. That or the lights making it look that way. Anyhow that’d be magnesium deficien
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Selected By The Grower
jeeje
answered grow question 2y ago
I cant see the whole plant, but from the picture it looks like nitrogen deficiency.
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Similar Grow Questions
Solved
BigD_era420
Can you guys help me diagnose what disease this is? (week 2 seeding)
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
2
3
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
2y ago
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Solved
Nurse
Burn the leaves of high buds
week 9.What do you think is the reason for these burns with strange colors? Yellow and purple. A serious problem? And what should I do for them?Possible from too much light; Or is the fertilizer low or high? light spider sf 1000 30 cm 100% each 3 days 1.5 L ph 6,5 ppm 1000 last t
Buds. Other
Leaves. Color - Yellow
Leaves. Color - Dark-purple
5y ago
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Solved
PersasH
Yellow lower leaves
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Week 7
Leaves. Color - Yellow
5y ago
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Abacus
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Leaves. Color - Yellow
4y ago
4
Solved
BrannabisTHC
Rootbound recovery time
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Leaves. Wilting
Leaves. Color - Yellow
Roots. Other
4y ago
2
Solved
QuiGonJib
Almost done
This is our first grow and we are in week 6 of bloom. Does anyone have an idea for the brother in the picture. He grew above the lights. We not sure how to handle it. Two leaves are to close to the light and turned yellow. Should we cut them away or leave them on it
Leaves. Color - Yellow
Setup. Lighting
4y ago
1
2
Solved
BigGing432
Nutrient Burn, Leaf Septoria, Nutrient Deficiency? Or something else?
I have been having issues with the Purple Haze. I've tried adjusting the Temperatures, adding additional Cal-Mag, changing lumen intensity etc. I believe this may be nutrient burn? Added an old image of leaf before mainlining, the plant is 1 week old after mainlining was done.
Week 2
Leaves. Color - Yellow
Leaves. Color - Black or grey
Roots. Too few
5y ago
3
3
Solved
TheMadHasher
Yellowing leaves.
Yooo! I have a few lower leaves starting to yellow I’m pretty sure its because the plant has switched all the energy to bud production so my question is, is it ok to defoliate the yellowing leaves at this point?
Week 8
Leaves. Color - Yellow
5y ago
4
3
Solved
Noob_quest
Root rot?
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Week 4
Leaves. Curl down
Leaves. Color - Yellow
5y ago
2
3
Solved
WeedyGonzales
Hey guys, so my plant is now end of week 4, can you tell me how she’s going? Why are my leaves like that?
Leaves. Color - Yellow
5y ago
2
Solved
roro_204
Yellow/ Lime Leaves ????
I have 3 grow rooms. I moved all the deficiency plants to 1 room. The whole half of the plant is turning really light yellow/ Are my lights too close to the plants ? Or is my feed to low?
Leaves. Color - Yellow
Setup. Lighting
Feeding. Deficiences
4y ago
4
3
Solved
Stigghiola
Salve ho allegato qui alcune foto di un paio di foglie potrebbe essere problema di umidità?
Week 12
Leaves. Color - Yellow
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5y ago
3
3
Solved
yanis
Neem oil mistake
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Week 3
Leaves. Color - Yellow
3y ago
1
1
Solved
CBDreamer
I noticed that the lower 2 leaves are yellowing and I think that are a little crispy. I topped the plant at the beginning of the week ago and I removed the first pair of leaves three days later ( yesterday). Do you think is this a problem? What can I do? Thank you. Peace
Week 3
Leaves. Color - Yellow
Leaves. Other
3y ago
5
4
Solved
Vincebld
Feuilles jeunes
Pensez vous que je doivent couper les feuille jaunes?
Week 9
Leaves. Color - Yellow
5y ago
2
Solved
Nurse
Burns on the leaves
The heads of the leaves turn yellow and then their burn.I only fertilized twice.For a few weeks, I only use city water, 500 ppm.And water Run off 2000 ppm.should i do to give more water to reduce ppm?And what should be the ppm of run off?Or should I fertilizer later? thanks
Leaves. Color - Yellow
Other. General questions
Feeding. Other
5y ago
3
Solved
ukterpdoc
Is this cal mag drama
My friends hope lifes good and your nugs are frosty.Please tell me this looks like my slurricane seedlings got cal mag drama but im using coco notes advanced nutrients a&b its ph perfect it says. regenaroot and some honeycomb.what should I do?? Thanks 😊
Leaves. Color - Yellow
5y ago
2
4
Solved
Changinator
Deficiency
Hi! Is my grow trying to tell me something? Like a nutrient deficiency? I’ve never done this before. Appreciate any help 🙏❤️
Week 6
Leaves. Color - Yellow
3y ago
4
7
Solved
VeruZ
should i be worried?
8 weeks in flowering and now I have some yellow leaves, normal?
Leaves. Color - Yellow
1y ago
3
4