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
Nuts block or nitrogen def?
Cokocok
started grow question 5y ago
Whats the problem nutri block or nitrogen def?
Solved
Leaves. Curl down
Leaves. Color - Yellow
likes
MrStinky
answered grow question 5y ago
Looks a bit hungry with it being in flower, might be N or P at this stage :)
likes
Complain
Selected By The Grower
Cokocok
answered grow question 5y ago
Thanks bro but cat claw in leaves also revive using for girl
likes
Complain
Similar Grow Questions
Solved
Ph0en1x
Dried Leaves, Lockout or Stress. Week 5 of Flower
Plants suddenly wilting & looking crispy like they're dry, but pots are HEAVY! Suspecting root suffocation/rot ("wet feet"). Hard soil crust might be blocking oxygen. Roots are drowning & can't drink. It just happened yesterday since they look dried. Temp is 25C and Air 50%
Leaves. Curl down
Leaves. Color - Yellow
Leaves. Color - Pale
7mo ago
1
8
Solved
Nivloc
First grow first problem
Double grape mephisto. In week 5 veg. Ffof & ffhf . Gave first light feed of GH trio + calmag 3 days ago this developed day after feed. Purple stems and yellowing leaves. Looking for guidance. I'm thinking nitrogen def. Or mag def but I have no Pryor exp to base this. Thoughts?
Leaves. Tips - Die
Leaves. Curl down
Leaves. Color - Yellow
2y ago
3
Solved
Style_weed
Foglie gialle 4 settimana fioritura
Ciao a tutti.. Le foglie che si stanno ingiallendo, può essere una extra fertilizzazione? O eccesso di azoto?
Week 9
Leaves. Curl down
Leaves. Color - Yellow
6y ago
2
3
Solved
Amandus
Wilting and yellowing leaves after vinegar water solution
I sprayed a mixture of 1/4 spirit vinegar + 3/4 water under the leaves to get rid of aphids (which may or may not have been the problem) earlier today. Now checking on her, I see yellowing of several leaves and wilting of others, which has me worried... normal, or a problem? 😳
Week 5
Leaves. Curl down
Leaves. Color - Yellow
Other. Bugs
4y ago
8
11
Solved
KisukeUrahara
Defficiency? 1st grow
I’m unsure of what is wrong with my plants. Leaves are turning yellowish colour and withering, first affecting old growth in week2F autoflower genetics. I use ph 6.4 water, runoff measured at 6.0.
Leaves. Curl down
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
8
13
Solved
Jaygrow1020_autoking
Growing slow and spots on the leaf's
Fastberry not doing well. Can anyone tell me what I'm doing wrong
Leaves. Curl down
Leaves. Color - Yellow
Other. Other
5y ago
1
Solved
Burntjalepeno420
Deficiency?
So I noticed this yesterday and I'm struggling to figure it out. The symptoms only appear on a few leaves of only 1 branch. Nothing about the environment or feeding has changed. A recent flush of plain pH'd water showed slightly acidic soil but not too crazy. Bottom feeding with
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Yellow
2mo ago
2
Solved
Bimbadabang
Identify problem with Yellow and drooping leaves (anything helps)
Can anyone identify what’s going on here? (LSD-25 auto week 7) I’ve got two yellow droopy leaves at the opposite of each other, all the other leaves are fine, 2nd pic is from a week ago. They’ve had plenty of nitrogen, ph is 6.3, give them 500ml water+feed every 48h and cal-mag
Leaves. Curl down
Leaves. Color - Yellow
6y ago
1
2
Solved
MarkGreenThumb
Survived, But not 100%, any Advice??!! =D
So I overwatered last week and the Leaves had some curling and Nitrogen Burns. The Leaves are less curled But more yellow, any advice would be welcomed on How to help the babbies.
Leaves. Curl down
Leaves. Color - Yellow
5y ago
1
Solved
Coughy
What deficiency is this?
Earlier, I added Epsom salts to fix purple stems, I’m pretty sure I over did it and I think this is a potassium deficiency but I’m not sure. I was being cheap and didn’t change res b4 moving over. Now that they moved tents, seems to be getting worse. How do I fix fast!? Pix in di
Week 8
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Yellow
6y ago
1
3
Solved
Wackytabacky_420
Potassium or nitrogen?
So just since my update hours ago I'm noticing a decline in my pineapple auto. I have clawing tips, rust, and yellowing leaves. Happening at a rapid pace.
Week 6
Leaves. Curl down
Leaves. Color - Yellow
5y ago
4
6
Solved
JustChillTHC
What’s happening
What’s happening? Just changed my water with that grow and poof got that. I use bottled water for my grows and switched from low cost water to a water with good ph and calmag supply
Leaves. Curl down
Leaves. Color - Yellow
2y ago
2
3
Solved
BigD_era420
Flowering nutrients
My beans enter week 6 of flowering and the leaves turn into this color. What can I do?
Leaves. Curl down
Leaves. Color - Yellow
3y ago
1
Solved
aDriftwoodKing
Plant seems to be dying, should I flush? And if so, any tips?
Yellowing & wilting, I suspect the problem is too much silica boost .5ml every other water, combined w/ hot soil (FFOC) & a few feedings, & maybe underwatering(?) as I never have runoff, watered a cup or so every ~48hrs, when soil had dried. LST, no wild temps/hum, great airflow.
Leaves. Curl down
Leaves. Color - Yellow
Plant. Wilting
3y ago
7
6
Solved
tiasmaaa
calcium / magnesium deficiency ?
The top leaves turn yellow on the tips, and the new leaves look a bit weird, like curled up ... I thought of calcium / magnesium deficiency. You confirm ?
Week 6
Leaves. Curl down
Leaves. Color - Yellow
Plant. Too short
5y ago
2
2
Solved
NewtDawg
Crashing and burning?
Mayday Mayday. Some very yellowing leaves which appear to be bending down. Alternating water and nutes, reduced quant, with good runoff PH in early 6’s, no working tds monitor. Lights @ 18”, full tilt. Too close and/or nute issue? Flush the shit out of it ur no? Thanks gang x
Week 8
Leaves. Curl down
Leaves. Color - Yellow
3y ago
3
Solved
Rayshian
What kind of deficiency is this?
The last blue dream plant I grew had the same issue but I’m not sure what it is. Any help would be appreciated.
Week 19
Leaves. Curl down
Leaves. Color - Yellow
5y ago
4
1
Solved
Stolas2
Leaves yellowing then crisping
Hi not sure whats happening with my plants Leaves yellowing then crisping.
Leaves. Curl down
Leaves. Color - Yellow
5y ago
1
Solved
Szamba
Leaves burning
So I changed her nutrition last week because she started to flowering. recommendation was 5 ml/l. I only give her once and the leaves started to burn. Since then she only get pure water, but it didn’t look better .any idea?
Leaves. Tips - Die
Leaves. Curl down
Leaves. Color - Yellow
1y ago
10
8
Solved
Dillsnills
Deficiency of P and K?
Can someone help me with what is going on w this Pineapple Express Auto Fast Buds, week 8 of flowering, it looks like a nute deficiency, P and K. Looking for advice input opinions greatly appreciated. Run off ppm 1100 intake 350 ph 6.5-6.6.
Leaves. Curl down
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
1
1