The Grow Awards 2026 🏆 
Lower leaf brown
Hempy_The_Kidanswered grow question 4y ago
If diary accurate then you are feeding way too much at 2500ppm. If soil your ph needs to be higher. Most plants prefer a rest period. However some swear by that 24 hour thing. I can't think of anywhere on earth a plant gets that much sun.
Similar Grow Questions
Solved
Faegrows
What is causing this on the leaves? I'm not sure what I am doing wrong. Is it possible the heat and humidity are too high? Humidity up to 77% and can't seem to get her down sometimes. Heat is around 27/30 degrees during light hrs. Did I fuck up the transplant or grow conditions?Leaves. Color - Dark-brown
3y ago
4
3
Solved
DrBuffy
dark, curled downwards and brown fan leavesWhy are the fan leaves dark, curled downwards and showing brown marks originating from the edges? Had an issue of dark and curled leaves for a week or 2, did think it was getting better (N2 deficiency) but now suddenly after not watering for a day the leaves are going brown.5y ago
3
Solved
lladnekekrub
Deficiency?I laid off the nutrients last week after some concern that I was overfeeding, but I think that resulted in a deficiency. (Some of the darker colors might be related to the strain? 🤔)
The third picture was taken 12 hours prior to the first two, so it progressed quickly overnight6y ago
1
1
Solved
fiadhok
Hojas manchas marronlas hojas de mis plantan han comenzado a tener manchas, me han dicho que les rocíe con jabón potásico y aceite de neem en las noches, pero cada vez avanza mas. será falta de nutrientes? algún hongo ? o quemaduras en las hojas por potasio ?Leaves. Color - Dark-brown
Leaves. Color - Mottling
5y ago
2
1
Solved
CoughingKitty
Dark brown edgesHi. I need some solid advice as to what could be causing my lower leaves to be turning dark brown on the tips and edges. When looking closely, the browning has a bumpy texture and what looks like a fine, grey powder. Excess, deficiency? IdkWeek 8
Leaves. Color - Dark-brown
3y ago
2
4
Solved
Ap0_DrX
I have this symptom, a pattern of rust spots happening on new leaves, I have checked medium PH, which is around 7.5. I think it is Boron Deficiency caused by The medium PH not being approximately 6.5.
I need more suggestions, What do you guys think?Week 10
Leaves. Color - Dark-brown
3y ago
1
2
Solved
dalilama
Brown spots on leaves ?Realised I have some brown spots.Week 5
Leaves. Color - Dark-brown
5y ago
1
3
Solved
MedicineMaker
Calcium Deficiency?Any ideas on what this could be? Water 90% RO with 10% well water 110PPM, PH 6.0-6.5, Autoflower, Day 29 of grow, Fox Farm Ocean Forest, No nutes added yet as I heard FFOF was hot for autos, plan on nutes at preflower, 20/4 schedule w/240LED 100% at 90CM, DLI 40.Leaves. Color - Dark-brown
3y ago
2
2
Solved
Ag10KSA
Since i have bad judgment on colors ...Please can someone tells me what is the percentage of cloudy and clear colors in here?? This is 6 week fast flowering strain but she is starting week 8 in day 55 flowering..flushed 10 days ago tho .help plzWeek 8
Leaves. Color - Dark-brown
7y ago
4
6
Solved
TripleCcannabis
Seedling turning brownThis little girl isnt doing great. Shes developed browning around the edges of her leaves. Whats going on?Week 1
Leaves. Color - Dark-brown
6y ago
2
3
Solved
handaman
Brown spots on tips of some leaves4 leaves affected on only one plant. All plants are receiving same feeding and are from same clones. Based on photo and googling it looks awfully lot like P deficiency? I'm still in vegetation phase though. I'm feeding with Advanced Hydroponics Grow + Bloom + Micro based on chartWeek 6
Leaves. Color - Dark-brown
5y ago
2
Solved
Boncoward
Brown spots and yellowingWhat do you think this is? Nutrients deficiency or maybe soil ph. Happened overnight and the plants are a little dry but I just gave them water and nutrients. My ph tester has been broken so I’ve sorta been winging it with some ph strips.Leaves. Color - Yellow
Leaves. Color - Dark-brown
6mo ago
2
4
Solved
sashagrow
Brown spot on leavesI'm experincing a bad situation. Leaves are becoming brown in the margins and I can't understant exactly the cause. Probably there are more causes, some phosphorus deficiency caused by low temperature but I'm not sure that's the only diagnosis.
Someone could help me?5y ago
2
2
Solved
toxicswine462
Calcium and Nitrogen deficiency?Hey guys, I noticed that on a few leaves have start appearing some rust spot. My guess is a calcium deficiency. What do you think?
Also, there's a cola(the one marked in the pic) which has a slightly more light green leaves, nitrogen deficiency?Leaves. Tips - Burnt
Leaves. Color - Pale
Leaves. Color - Dark-brown
4y ago
3
4
Solved
HuskyHouse
Is this a phosphorus deficiency?Phosphorus deficiency? Looks closest to a phosphorus deficiency on my chart, any better ideas and or recommendations?
Current light brightness is 50 percent, running a spider farmer g3000 and Most of the leaves are pointing up.Week 3
Leaves. Color - Dark-brown
5mo ago
4