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Back to Grow Questions
Leaf color
Phatbongrips
started grow question 4y ago
Leaf color diagnosis?
Open
Week 4
Leaves. Veins - yellow between
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Answer
Similar Grow Questions
Solved
SirBud
Veins turning light green on lower leaves
One of my plants is getting light green veins on the lower leaves. Is this magnesium deficiency? I can't water currently without risking overwatering, can I just foliar spray BioBizz cal mag to temporarily help recovery? Or is this something else entirely?
Week 7
Leaves. Veins - yellow between
4y ago
6
7
Solved
Wastent91
Magnesium deficiency
This IS magnesium deficiency?
Week 6
Leaves. Veins - yellow between
4y ago
7
6
Solved
jwesty
What do I have going on here?
As you can see, the newest leaves are BRIGHT. She was flipped to flower 2 days ago, supplying her with calmag and grow big....is she lacking food? I have never seen such a thing.
Leaves. Veins - yellow between
Leaves. Veins - stay green
Feeding. Deficiences
4y ago
4
3
Solved
Hellishjam
Magnesium Deficiency?!?!
Hey there GD, so i'm thinking i have a MG issue right now, i did apply some fertilizer rock dust in order to try and correct it. it has started at the bottom of the plant of the bigger fan leaves then has moved up the plant is now show on the tops of them...
Week 18
Leaves. Veins - yellow between
6y ago
3
5
Solved
ThatoneAKguy
2.5 weeks into flower and her leaves are yellowing in a way I haven’t seen before as if it’s from the inside out??? The past few days she has slowed in stretch and growth? Soil based and half organic nectar for the gods nutes. been let to dry out between watering. Posting photos.
Week 5
Leaves. Veins - yellow between
7y ago
3
1
Solved
OutlawzExotics
Calmag?
In the beggining of the week ive fed the 7L bucket with Bloom, micro and Gro. This happened to Only of of them, is It Calmag Def?
Week 7
Leaves. Veins - yellow between
5y ago
8
7
Solved
Maskedcucumber
Roots getting brown
My Ph probe didn't work, PH was at least more than 0.30 (maybe 0.60) than displayed. As a result they had multiple chlorosis, now septoria leaf spots and possible Pythium since the roots are getting brown. What would you do to save the crop ? Adding mycorrhizae? Thx!
Week 8
Leaves. Veins - yellow between
Leaves. Color - Yellow
Roots. Color - Brown
5y ago
2
1
Solved
biuxiuer
我的女孩怎麼了,這個是生病了嗎?還是太多的餵食?
This phenomenon appeared when it grew its second set of leaves, but there are leaves only on one side. I checked some information and it seems like Tobacco mosaic virus (TMV). I think it looks quite similar. But I'm not very sure, should I wait a few more days? Or should I cut the leaves off? Can anyone tell me the solution? I hope it can make it through the
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Leaves. Curl up
Leaves. Veins - yellow between
Feeding. Chemical composition
5y ago
3
3
Solved
mark4686
Leaves growing differently, some of them with more difficulty
Why some of the largest leaves look like they laterally grow smaller and with some different shades of green? There's a lighter shade between the veins and darker spots, meaning that they are actually still growing? thank you in advance :)
Week 3
Leaves. Veins - yellow between
6y ago
3
3
Solved
Leafy420
Was it to much?
My plant looked okayish then i transplanted and topped the same day and this happend ( i think I was feeding too much calmag ) Changed the res now running at a ppm of 750 ph 5.8ish RO water on autopots ( oh and my cat ate the tips from 3 leafs X( ...) Last pic is today
Leaves. Edges burnt
Leaves. Veins - yellow between
2y ago
3
3
Solved
Dbkoop
Mg deficiencies? RDWC
I have a Lemon auto RDWC and Blue dream auto in ffof mix. Both are showing some deficiencies or something no. Both have dark green veins and have like a gradient effect where it gets lime green to yellow inside outwards and a few burnt tips. Any advice?
Leaves. Tips - Burnt
Leaves. Veins - yellow between
Leaves. Color - Yellow
4y ago
3
Solved
Eagers
Help diagnosing deficiency
Can someone help diagnose this? Is this a Nitrogen deficiency or a Potassium deficiency, Ph runoff is fine 6.4 and EC runoff is 1.8. Lower leaves have been yellowing and dropping so last feed I upped grow to 1.5ml/l from 1.0ml growth has been good. Dont want issues now tho Thanks
Leaves. Veins - yellow between
Leaves. Color - Yellow
6y ago
1
1
Solved
Martian_D
Whats up with my leaves
Whats up with the discoloration on my fan leaves? Calmag?
Week 3
Leaves. Veins - yellow between
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
1
2
Solved
spacecream
Yellowing between veins on 3 of 4 plants, and curled tips - 27-29C in tent - Just heat/light stress or something more?
Only on 3 out of 4 of my girls, see 1 pic of sad girl and 1 pic of happy girl. Does it look like heat/light stress to you or something more? I was running my LED 45 cm below the lights dimmed to provide 20-30k lux at plant level. Just now raised to 65cm, lux 20k.
Week 2
Leaves. Curl up
Leaves. Veins - yellow between
5y ago
1
Solved
Eagers
Magnesium deficiency?
Can anybody help with the yellowing between the leaves? Is this a magnesium deficiency? The leaves are still pointing upright but do have slight yellow/brown tips. Have recently transplanted into coco with an EC of 0.56. Ph was 5.8 and runoff was 5.7 when last fed. Any ideas?
Leaves. Veins - yellow between
6y ago
1
1
Solved
greenhousegrowgirl
Yellow mottled leaf
Should I be worried about the yellow vein like apprearance and mottled discolouration?! 😰
Week 2
Leaves. Veins - yellow between
5y ago
4
3
Solved
Alexander_far
The plant is drying up
Hi. My cannabis has yellowed lower leaves
Leaves. Veins - yellow between
6y ago
1
3
Solved
Kenny82
Having problems in flower
This is my 1st grow ever and i have a skunk #1 auto is in flower and it started getting browning on the sugar leafs and now its progressed to yellowing of the sugar leafs and I'm not sure why any help is appreciated?
Leaves. Veins - yellow between
3y ago
4
5
Solved
Misanthrope
Discolouration progressing
The first pic is from 2 days ago, now the yellow has turned to brown spots and is beginning to spread to others. I'm hoping it's an easily corrected nutrient imbalance, please help
Leaves. Veins - yellow between
Leaves. Color - Yellow
5y ago
1
4
Solved
PaxIlluminare
Does anyone one know the deficiency causing the leaves to yellow in this fashion?
Leaves. Curl down
Leaves. Veins - yellow between
Leaves. Color - Yellow
4y ago
1
1