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
Help! What is this?! Upper leaves turning yellow/brown but not the lower ones. Light burn?
seEdcork
started grow question 2y ago
Help! What is this?! Upper leaves turning yellow/brown but not the lower ones. Light burn?
Solved
Leaves. Edges burnt
Leaves. Color - Yellow
Leaves. Color - Dark-brown
likes
Organoman
answered grow question 2y ago
No pictures +no diary = no way to help.
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Revonator
Nitrogen deficiency or could it be nothing
In the pictures you see some yellowing and small spots. I don't know if it's Nitrogen deficiency or not because it stays with those two leafs.
Week 2
Leaves. Color - Yellow
1y ago
4
5
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
Misanthrope
Sudden brown on leaves
These brown patches appeared in the last 24 hours. It rained heavily during that time. Any ideas what the issue is or what to do to treat it and/or avoid spreading?
Week 14
Leaves. Color - Dark-brown
3y ago
1
Solved
thenewdude
my biggest-plant is going yellow in the center, is that a deficiency or normal? I was going to give it the first feed of fish mix tomorrow with 125 ml of water
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
2
3
Solved
DrBuffy
How can I fix high runoff EC and pH?
EC high (0.2ms/cm in, 0.6ms/cm out), pH runoff a little high (6.71 in, 7.18 out). Yellowing of leaves moving up plant, followed by yellowing between the veins on new growth. Help please!! Had issues with this one for a while so last fed 2 days ago with 1ml/l of Biobizz
Week 9
Leaves. Veins - yellow between
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
3
7
Solved
MrJoint
ARE THEY FINE?
Deficiência ou excesso? Ainda não fiz as podas por medo das meninas não estarem 100% saudáveis. Mas elas parecem felizes.
Week 5
Leaves. Edges burnt
5y ago
2
2
Solved
bazgrow
the leaves are dried
What is this on the edge of the leaves at day 14 ???
Week 2
Leaves. Edges burnt
5y ago
2
1
Solved
Erasmus
Any recommendations?
I was able to moderate temp and humidity better, lifted grow light and am watering less often but leafs still don't look very healthy.
Week 2
Leaves. Color - Yellow
5y ago
1
2
Solved
danielvt32
One of my plants is growing slower than others and showing yellow tones in it's leaves.
One of my plants is definetly behind the others in terms of growth, and it is showing yellowish tones that start in from the center - What is happening to this specific plant, is it some nutrient deficiency? How do I help my plant?
Week 2
Leaves. Color - Yellow
4y ago
2
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
4y ago
1
Solved
IsseyBukkake
Leaf problem slowly spreading on 1/8 plants.
I recently found 1 leaf extremely damaged on 1/8 plants in my tent. I have now noticed the problem spreading slowly. Could anybody tell me what this is? I have included pics, 1st pic is the leaf i found 3 days ago 2nd pic is of the leaf i broke off today Thank you!
Week 7
Leaves. Color - Yellow
Leaves. Other
Other. Other
5y ago
1
1
Solved
Pjm70
Few brown spots on leaves
Brown spots on photo Bruce Banners big leaves. Do not see any on new growth
Leaves. Color - Dark-brown
3y ago
1
3
Solved
Cannabis_carlitos
Leaves fading to yellow
I just changed the light cycle to 12/12 - My leaves are fading to yellow, at first just new growth but I see it on the older fan leaves as well. I did give them a flush and only ph balanced water for a week and a half. Also, just gave nutrients(50% strength ) 5 days ago
Week 14
Leaves. Color - Yellow
3y ago
1
3
Solved
Segitseg
Leaves and stem
Hello.sorry the bad english. What could it be?
Leaves. Color - Yellow
4y ago
2
Solved
HarrysOG
Keep getting yellow leaves in flower. Increased PK and my bloom nutrient. Ph 6.5 when i feed. Soil root zone ph 6.5. Add calmag to my nutrient program say 3 weeks in flower until 2 weeks to harvest which is always very cloudy or milky trichs
Week 8
Leaves. Color - Yellow
6y ago
8
5
Solved
TripleCcannabis
deficiency?
Is this a boron deficiency. If not whats going on with this girl
Week 4
Leaves. Color - Dark-brown
Feeding. Deficiences
5y ago
2
Solved
RASKAL79
Having issues w. my 1st grow of Sucker Punch Auto.... not sure what the deficiency is? Use GENERAL Hydroponics nutrients Flora
Leaves. Color - Yellow
Plant. Wilting
6y ago
3
Solved
ETphonehome
Yellowing
We dropped the lights back to 50%and to 12hr of light and 12off it seems to be a bit happier
Week 13
Leaves. Color - Yellow
5y ago
1
2
Solved
NetherHeaven
Yellow leaves at the bottom of the plant
Hello growers! I wanted to ask if the lower leaves turning yellow and dropping is normal? 2 leaves are down and I know that's a normal behavior but another one is turning yellow and I just wanted to check if this is normal.
Week 7
Leaves. Color - Yellow
5y ago
5
3
Solved
Kush_queen
Advice/help needed any suggestions nutrient deficiency
Help I had some leaves at the bottom of the plants go yellow so I got calmag and used 2 ml per litre as suggest I have given them that twice but I am still getting some claw leaves and some of new leaves look yellow at the tip tiny amount? How often should I give calmag?? 🙏🙏
Week 4
Leaves. Curl down
Leaves. Color - Yellow
5y ago
3
5