Check the winners The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Log In
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
English
Log In
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
Why are the leaves turning yellow?
Flamingo21
started grow question 5y ago
She's 3 weeks into flowering and her upper leaves been getting lighter green id say yellowish... otherwise she seems healthy...
Solved
Week 18
Leaves. Color - Pale
likes
MrStinky
answered grow question 5y ago
Could well be a potassium deficiency appearing or some lightburn as it is quite even and uniform.
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Magiksoul
What is this problem? I cant figure it out plz help me
What is this problem? I cant figure it out plz help me! I used a mix of soil BioBizz all mix with coco and some perlite! Im at the begining of the 4th week! And i been watering with bottle water and used one time the plagron nutes for roots and lastly used once th backtomatik rex
Leaves. Tips - Die
Leaves. Color - Pale
5y ago
1
5
Solved
BudsZA
It seems like my plant has a bit of a calcium deficiency. Leaves are losing their dark green colour and there are signs of yellowing in patches. Any ideas what I should do? It's fully organic so no calmag can be used.
Week 6
Leaves. Color - Pale
7y ago
2
3
Solved
Daweed83
Rookie question
She looks fine to me but a little light in color. Is this a start of deficiency?
Week 2
Leaves. Color - Pale
6y ago
1
1
Solved
Thaithan
Hey there! Might anyone know quiché deficiency my plants could hace? It is definitely not overfeeding.
Week 8
Leaves. Color - Pale
7y ago
3
2
Solved
GrowerEagle
leaves are pale green
One of my girl does not look happy. her leaves are pale green. I can't figure out what is wrong.
Week 1
Leaves. Color - Pale
4y ago
3
6
Solved
n33bgr0w
Deficiency or over overfertilization? HELP!
My 2 Afghan Pearls are seam to be suffering from either deficiency or over overfertilization; I can clearly see brighter spots on their leafs that I don't have on any of the amnesias. They all have identical conditions – same soil, same, nutes, same tent, same all! Any clues?
Week 5
Leaves. Color - Pale
Leaves. Color - Mottling
6y ago
3
Solved
FoxCrow
Seedling White widow yellowing a bit
It look like my seedling is yellowing a bit. Any clues on what is going on? Might is just be the color of the strain?
Week 2
Leaves. Color - Yellow
Leaves. Color - Pale
6y ago
3
4
Solved
BosHerbs
Phantom cookies looking funky
Can anyone tell me whats going on with my phantom cookies this my 3rd grow?
Week 4
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Pale
5y ago
4
3
Solved
yanis
lower leaves infestation
3 lower leaves (of which one is especially affected) got thrips (or something). sprayed with neem oil solution today.is there sth more i can do?should i remove the leaf?is the whole plant going to die?btw upper leaves are healthy and keep growing everyday
Leaves. Color - Yellow
Leaves. Color - Pale
4y ago
1
1
Solved
Demosthenese
Day 40 from Seed Autoflower: Light Green Top Growth
Top of my 40 day old Blackberry Auto has gone light green. I am using 1000w of HID lighting and this is the tallest plant so I suspect light proximity, but I'd love second opinions.
Week 6
Leaves. Color - Pale
4y ago
1
Solved
spartacus_ve
Can you please provide feedback about my current grow? I want to improve and collect as much data as possible and get involved with the community. Help me to save this ladies.. All feedback and help will be appreciated. I am working hard to produce the best medicine.
Leaves. Color - Pale
Plant. Too tall
1y ago
20
6
Solved
Blucha
2 seedlings fastbuds GSC. I burnt them in the 1week but afterwards only watering. It's been a week ago and they look bad. Do u think they'll recovery? What can I do? Still small, no sex shown.
Leaves. Color - Pale
6y ago
3
Solved
Bingeling
Spots on leafs, and lime green tops
I am beginning to see leaf damage again, so i would like to ask if you guys could point me in the direction of my problem. I suspect either light damage, or ph issues building up over time. It started before i gave the first flower nutes, tops seem deeper green since that though
Week 9
Leaves. Color - Pale
Leaves. Color - Mottling
Plant. Stem - Red or purple
4y ago
6
6
Solved
HowsItGrowingHydro
Burn? Deficiency? Hydroponic fgrow
problems in DWC. I am using TA nutrients (Lucas formula). Running EC 1.8 and pH 5.8. One of my plants look good but the other plant shows lots of problems. RH is 55%, Temp 25-26C. PPFS is 450μmol/m²/s on average. Any idea how to fix it? Dilute the nutrients? Ideas welcome
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Pale
2y ago
2
Solved
IndoorBudz
Mild Discolouration
Has anybody seen this kind of discolouration before??
Leaves. Color - Pale
4y ago
2
6
Solved
Maasamenos
Should I continue to feed/water cycle or do another feed due to the light color of leaves?
Just switched to 12/12. Fed full strength based on fox farms diagram Trio and additional Cal mag; They're looking light colored, should I continue with a round of just ph water still? Or another light nute feeding based on its color. In OFFF/ cocoa 50/50
Leaves. Color - Pale
Setup. Strains - Photoperiod
Feeding. Schedule
2y ago
3
Solved
Nugget_head88
Nitrogen?
The plant is starting to look at little pale, a few leaves are paler than the others, is this ok at this stage in the cycle? (Week 2 flower) I'm not majorly concerned yet just looking for info so I can make a better decision on the next feed, I just introduced flowering nutes.
Week 6
Leaves. Color - Pale
1y ago
6
3
Solved
Mqxle
Phosphorus deficiency?
Do you think this could be a Phosphorus deficiency? - top leaves are rather pale - center leaves are perfectly darkish green - 1 - 2 bottom leaves at a time develop brown necrotic spots - rather small bud-development - check SLH RBX3 diary
Buds. Not fattening
Leaves. Color - Pale
1y ago
1
2
Solved
johnehazeharvester
Light green new growth
New growth is light green . Some of the leafs look a big dark. Is there too much nitrogen? Also a few stems on the Rosetta stone are purple. Any ideas?
Week 5
Leaves. Color - Pale
3y ago
3
5
Solved
Mossbross
Why have the leaves on my plant turned pale and crispy?
4 weeks into veg with auto and all of the leaves (including new growth) have turned very pale and dry, starting at the tips and receding rapidly. I’ve used the same two part nutrient solution in the same quantities as I did with the previous same auto, so Disease maybe?
Leaves. Curl up
Leaves. Wilting
Leaves. Color - Pale
5y ago
4
4