The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Login
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
Login
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
Still have problems
Maincard
started grow question 4y ago
Still have problems, day 41,ph 6,5 tap water. Could it be Mag.? Use LED. THX.
Solved
Leaves. Color - Yellow
likes
Organoman
answered grow question 4y ago
Yellowing of the lower leaves during flowering is quite normal/common, but either add or up your P/K booster to help your plant, she will be hungry for phosphorous (P) and especially potassium (K) during flowering.
1 like
Complain
Selected By The Grower
Organoman
answered grow question 4y ago
The damaged leaves won't recover, but it will prevent the other leaves from suffering the same fate.
1 like
Complain
Similar Grow Questions
Solved
Tarkov
Problem of end leaves Yellowing
Hi !! I have some of my top Leave that turns yellow at their end ! Could that be a defiency of bloom food or a toxicity of N or light ? many thanks if you can help me best regards
Week 4
Leaves. Color - Yellow
5y ago
5
3
Solved
ganzigunnu
is it cal def?
all identical environment only single plant do this. I gave plain water.
Week 4
Leaves. Color - Yellow
Leaves. Color - Dark-brown
3y ago
2
3
Solved
CreamOfTheCrop
Dead spots on leaves
I've been struggling with same problem from beginning of grow, leaves having these dry yellow/white spots. The first week I used too high pH which later I replaced by rainwater - new leaves were healthy, but last night I left tent at 70% RH. Somehow it returned - details in diary
Week 4
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
6y ago
3
2
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
Boris1888
Discoloured leaves
Leaves are going horrible colour on my bros plants,would really appreciate any ideas how to fix 👍👍👍
Leaves. Color - Yellow
6y ago
1
1
Solved
PotGoku
😞😫😓 I don't get it, are these signs of overfeeding? (I barely did) Is it still fixable?
Week 4
Leaves. Color - Yellow
6y ago
2
2
Solved
perilousp
Day 21 new leaves look kinda pale and yellow, whyy? Also all the stems are kinda red, what could this be from?
Week 3
Leaves. Color - Yellow
6y ago
3
4
Solved
lowrydr
Light green tops
I've got one plant with extra light green tops. Any suggestions or is this normal sometimes? See my diary for feeding details. I've treated all plants exactly the same the only difference would be the type of pot (airpot) and I didn't root prune like I did the others.
Leaves. Color - Yellow
6mo ago
6
4
Solved
ElonMuskFanClub420
yellow/dark discolouring of leaves late into flower
Noticed this on about 5 leaves, some more affected than others. The plant is towards the end of the flowering, with about 3 weeks left, better to ignore it now or try to do something ? perhaps leaf Septoria, already increased air flow and decreased humidity
Leaves. Color - Yellow
6y ago
2
2
Solved
CoronaGrower
2 Yellowing Fan Leaves
I have 2 large fan leaves from the main cola turning yellow and 1 almost looks crisp or burnt on the edges. It is only 2 of the leaves and by my reckoning, they are 2 of the oldest leaves on the plant. From research, it could be the bump in nutes or water issue. Any ideas?
Week 4
Leaves. Edges burnt
Leaves. Color - Yellow
5y ago
1
1
Solved
VeggieTales
Yellowing Drooping Plants
Hello there fellow growers I need some help. This Autoflower has been really sick. Dropping and yellowness, red stems. What could this be?
Week 4
Leaves. Color - Yellow
Plant. Wilting
Plant. Stem - Red or purple
5y ago
3
2
Solved
Chorizo555
What do you think is this?
Hi, what do you think is this? K deficiency?
Leaves. Color - Yellow
5y ago
1
1
Solved
shitscrazybro
What are these yellow streaks? Are they bad, and how do i get rid of them?
They’re only on these two leaves on this on plant. It’s the Wedding Cheesecake. pH, temp, and humidity have been fairly consistent but have fluctuated a little
Week 1
Leaves. Color - Yellow
5y ago
1
1
Solved
ceomi69
Leave Tips Yellow and Brown on New Growth
The leave tips of my plants turned yellow and burnt after i gave them a bottled nutrient feed (organic). Unfortunately i failed to measure the PH of the Water (it was probably to high). This was one Week ago and the New Growth still show signs that something is wrong.
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
1y ago
3
2
Solved
Ferinky
Carencia en hojas nuevas
Que carencia puede ser? Estaba con la maceta de 3L y necesitaba el trasplante
Week 7
Leaves. Color - Yellow
5y ago
3
3
Solved
RakiGrow
Leaves are drying up and turning yellow
Hello, Something bad is going on with my Hulkberry plant. I think it might be due to giving it to much fertilizer. Here is how it looked 2 days ago: https://growdiaries.com/grow-questions/42518-hulkberry-turning-dry-and-leafs-are-bending-up And the plant is going worse and w
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Yellow
4y ago
2
2
Solved
Peacheyking
Is she dying ?
I’m really have struggles, so this is my first grow and I’ve done it in soil. I’ve ad a previous issue with heat and I’ve fixed that now but the plants aren’t looking to healthy, all I’m giving is Dutch pro A+b every other day, am I feeding to much ? Should I just water sometimeS
Leaves. Color - Yellow
4y ago
6
Solved
Murrod9106
Nutrients
Can anyone tell me if my ladies are lacking nitrogen
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
2
2
Solved
LittleG
Please help
Some of the leaves are turning lime green/yellowish and there are brown/orange spots in the middle of the leaves
Week 6
Leaves. Color - Yellow
5y ago
1
1
Solved
CaliJ
stains on my sheets
appearance of stains today, knowing that it has been over 30 degrees for a few days in my tent, otherwise I was thinking a calcium deficiency? does anyone know what it is please
Leaves. Color - Yellow
4y ago
1
3