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Back to Grow Questions
Yellow Leaves
420cropper
started grow question 6y 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 6y 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
Walleyeguy
Spots on leaves and yellowing. Lower leaves. Dos si do
Have some spots on dos si do leaves as well as yellowing. Thinking it's a deficiency. Possibly calcium. It happened right after a growth spurt. It's a coco grow. What kind of deficiency ?
Week 6
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
3
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Solved
StickyScissors
Cal/mag maybe?
Hey team, Please review day 19. Is this a cal/mag concern? I run a DWC with RO water mixed with nutes. Thank for your insight.
Week 2
Leaves. Color · Yellow
4y ago
3
3
Solved
MicroNighthawk
Not enough nutrients for Nirvana Maui Waui in light soil?
I have overfed my last grow by spraying it with Alg-A-Mic... so this time around I kept giving her only a minimum of nutrients. Looking at the yellow leaves and the brown spots... most of the leaves touched the tent... am I UNDERfeeding her now?
Week 11
Leaves. Color · Yellow
4y ago
2
3
Solved
legal_grower
YELLOW LEAF TIPS
Leaves. Veins · Yellow between
Leaves. Color · Yellow
3y ago
1
1
Solved
Maskedcucumber
3rd week since 12/12 and chlorosis is getting worse !!! Will my crop be crappy ?
Brought EC to 1.6, added 21ml of calmag, had to add 2L of osmosis water because the EC was 1.78. I changed the bad Ph probe and I let it fluctuate between 5.75 and 6. Should I remove the aluminium foil on the pot to let them breathe ? Not sure they are overwatered, I'm desperate
Week 8
Leaves. Tips · Burnt
Leaves. Color · Yellow
Feeding. Deficiencies
5y ago
3
4
Solved
BonjaMan
Plants Yellowing Mid/Late flower
hello! So my plant became yellow during the few days, more at the bottom about 10. Does someone know what the cause is ? The buds are beginnen to progress the most this days they made about 80%!
… Show more
Week 11
Buds. Other
Leaves. Color · Yellow
Feeding. Other
6y ago
2
Solved
freecana
Yellow new leaf
Please tell me what could be the problem ... On the new leaf, yellowing .. 14 day Land Cannabiogen Automix 2.0 (many fertilizers already inside) land for autoflowers.
Week 2
Leaves. Color · Yellow
6y ago
1
2
Solved
Misanthrope
Leaf Discolouration in Flowering
5 weeks into flowering, grown outdoor in potted soil with regular nutrients. I've been spraying with Epsom salt sol'n once/twice per week for 3 weeks to treat what I thought was Mg def. Yellowing is starting now on upper leaves. Suggestions on what other steps to take?
Leaves. Color · Yellow
Feeding. Deficiencies
5y ago
2
2
Solved
Budhazard
Leaves
Is it normal for this LSD to have lighter leaves? She emerged from soil yesterday
Leaves. Color · Yellow
6y ago
1
3
Solved
XtoVall
Problem in 5 Week of Vegetation
Now in the 5 week of vegetation. The plants are Tropical Gelato cuttings. Everything was great until recently. They looked great. After another light fertilization, the condition of the plants continued to deteriorate. Soil PH value is between 6 and 7. Can Someone help?
Leaves. Curl down
Leaves. Color · Yellow
2y ago
1
Solved
Havingago
Yellowing Sugar Leaves
Noticed the sugar leaves on bud leaves are also yellow. My understanding is this can have a big effect on final yield?? Flushed the gal but as no amber trichomes yet and want 20%, should keep flushing now on or resume feeding till some amber??? Cheers
Week 18
Leaves. Color · Yellow
6y ago
6
6
Solved
Carpe_Diem
The most common yellow leave will be found on the terminal stage of flower because plant will power up for flower produce rather leave grown. Leaves are most of the time a reservoir of H2O nutrients and minerals. Yellow leaves can apear on you plant at some point of grow?
Week 10
Leaves. Color · Yellow
9y ago
4
2
Solved
Chill07
Week 9 leaf's are turning yellow HELP
Help entering the 9th week and the leaf's are starting to turn yellow. I gave some bloom nutrient yesterday I've also seen other diaries where at the end they turn. Do I have a problem? Thanks
Week 9
Leaves. Color · Yellow
6y ago
4
3
Solved
janno
Leaves are pointing up and have yellow stains on them. (8 days from popping above soil)
On day 8 of my seeds popping from the soil, I noticed the leaves are pointing up and have yellow stains in the middle of them. Anybody know what this can be?
Week 2
Leaves. Color · Yellow
4y ago
6
3
Solved
WeedTheNorth
Ph fluctuations?
Ph fluctuations?
Leaves. Color · Yellow
6y ago
1
1
Solved
Seven1AteChef
Brown spot/ dry spot
I have a brown spot at the tip of my 2 week old plant. Please help!
Leaves. Curl up
Leaves. Color · Yellow
5y ago
1
1
Solved
Speeler
Leafs yellowing
Morning lads, just noticed that my plant leaves goes yellowing the ends of the leaves and i m not sure whats can cause that it is light stress ?
Leaves. Color · Yellow
6y ago
1
Solved
Waltwonka
Magnesium deficiency?
Does this look like magnesium deficiency?
Week 7
Leaves. Color · Yellow
6y ago
2
2
Solved
TheCode
Some leaves showing yellowing.
My grow Famylican you diagnose why the F my leaves are looking like it the last pictures!Maybe isit Magnesium Deficiency?Or Potassium Deficiency?But I think it's more like a pH Fluctuations because i have reservoir with dripping system and the ph drifts and i adjust.When harvest?
Week 12
Buds. Other
Leaves. Color · Yellow
Plant. Other
6y ago
2
4
Solved
Weedxcz
I have the light at a height of about 40 cm. The photo is taken immediately after watering. The water drains as it should. I use biobiz lite mix. I think it will be poor water quality or spoiled fertilizer. How do you recognize spoiled fertilizer?
Week 1
Leaves. Color · Yellow
4y ago
3