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
Brown markings on leaf
Rhaegar138
started grow question 4y ago
Wondering if anyone knows what these brown markings are from?
Open
Leaves. Color - Mottling
likes
Answer
Grow_for_Happiness
answered grow question 4y ago
Sometimes PH fluctuations can cause this, or at least that's my last experience
likes
Complain
Similar Grow Questions
Solved
EndlessBuds
Is it infected?
Is it infected, like mildew, or has it just some nutrient problems in the beginning? And the leaves form is just the genetic i guess?
Week 2
Leaves. Color - Mottling
3y ago
5
Solved
Alpaca
Something ate a hole in a leaf last night. It not a complete hole through just the chrolophyll was scraped off, leaving a yellow bite mark (picture in diary). I removed a caterpillar looking thing from my tent this morning, no idea how it got there. Could that have been it?
Week 6
Leaves. Color - Mottling
8y ago
1
Solved
heeelion
What are these on my leaves?
I was told perfect leaves are impossible to get, but this has to be something right? I had some nutrient burn from one week that was quickly stopped at least as far as the tips of leaves. Is this nutrient burn? a nutrient lockout of is it normal for flower? Im hoping this is norm
Week 10
Leaves. Color - Yellow
Leaves. Color - Pale
Leaves. Color - Mottling
3y ago
4
Solved
DudeGrowsWeed
Kill, Fuck, Marry? She's almost 8 weeks old growing really slow. Still has the same odd coloring on leaves. Tried defoliating the most affected leaves. But no improvement. Should I kill her and cut my losses? Say fuck it and leave her grow? Or marry and try new solutions?
Week 7
Leaves. Color - Mottling
8y ago
3
4
Solved
deckeron73
Brown spots and yellowing leaves.
I’ve just started to get these brown spots and yellowing leaves on the top leaves of one plant. Not sure what it is, potassium or calcium deficiency. Soil ph is 6.35. Water with regular nutrients at a ph of 6.5.
Leaves. Curl up
Leaves. Color - Mottling
5y ago
1
1
Solved
Hydro_guy
I think I have nut issues?
OK here's today's update, 3/9/22. They are all doing great, they're all standing proud now! I think they needed to dry out a little, more light and needed the extra nuts. What do any of you guys think could've caused these symptoms that my girls are/have shown?
Week 3
Leaves. Color - Yellow
Leaves. Color - Mottling
Plant. Stem - Red or purple
4y ago
2
2
Solved
WuWei
Hey guys, can someone look at my second day 24 picture and confirm I've got spider mites ? How do I fix this ? Thank you :)
Week 4
Leaves. Color - Mottling
7y ago
6
6
Solved
dandaru
Hi i noticed some brown spots on some leafes and yellowing (please check pictures day 18) what causes this? too hot or to little cal? the last few days there was like 29-31°C in my box also i added some nutes 2 days ago (1ml bio grow + 0.5ml bio heaven) panicing a little here
Week 3
Leaves. Color - Mottling
8y ago
1
2
Solved
Zoomer
Is this nitrogen deficiency? Should I change the soil?
Is this nitrogen deficiency? I've been feeding them and using pH Down but nothing changes (pH 7.2). Should I replace the soil? They're in CannaTerra mixed with Promix. I've got some FoxFarm Ocean I could move them to.
Week 6
Leaves. Color - Yellow
Leaves. Color - Mottling
5y ago
6
5
Solved
Filippo33
Fleck
Was könnte das für ein Fleck sein und sind sie arg gelb?
Week 2
Leaves. Color - Pale
Leaves. Color - Mottling
6y ago
1
1
Solved
NuggetPawn
On the last photo, has anyone got any idea what these white looking balls are? Almost look like eggs!
Week 1
Leaves. Color - Mottling
7y ago
2
3
Solved
Esoteric_growing
Leaf problem???
Plants upper fan leaves are drooping and showing a spotting which is looks almost like calcium. Upper fan leaves are also curling like a heat problem yet temp is around 23 lights on but 12 at night, night humidity also rises to 95%. Ph 5.9, EC 1.3-1.4. Lights are 23 inches away.
Leaves. Color - Mottling
6y ago
1
1
Solved
FastbudsFanatic
Cal , mag deficiency ???
Is that calcium / magnesium deficiency ??? Wrinkled leaves , and brown spots are heavier on darker plant , any help appreciated
Week 5
Leaves. Twisted
Leaves. Color - Mottling
6y ago
1
Solved
phelice
Leafseptoria, ore something else!?
Is this Leaf-Septoria? Had the small spots since a few days (looks like they don´t get really bigger) but some leafs start to die like picture 2. looks to me a bit like calcium-deficit, or i´m i wrong?
Leaves. Color - Dark-brown
Leaves. Color - Mottling
2y ago
4
4
Solved
ChopperMcOG
Brown specks on leaves
I've noticed small brown specks appearing on the lower leaves. Does anyone know what might be causing this? I'm struggling to keep heat down and humidity up due to the weather. Could this be the issue or something else?
Week 3
Leaves. Color - Mottling
4y ago
5
7
Solved
crusoe
Hi 8th week of flower. Bottom leaves have turned yellow and died and yellowing is rapidly moving upwards. I think it's nitrogen deficiency so I've added more Biobizz Grow. Would be good to get an expert opinion! Thanks
Week 8
Leaves. Color - Yellow
Leaves. Color - Mottling
5y ago
5
2
Solved
growbert76
Is this really a potassium defiency? Any suggestions how to deal with it?
Hey Guys, need your help please. It's FD 28 and the leaves of my three White Widows show some signs of a nutrient deficiency (at least my assumption).I'm growing in living soil w/o any additional fertilizer and watering with a 7:3 mix of osmose/tap water and 0,5 ml/l CalMag.
Week 8
Leaves. Color - Dark-brown
Leaves. Color - Mottling
Feeding. Deficiences
3y ago
4
4
Solved
Elendil
Some major problem
What is this? Do I put something too much or too little of it ?
Leaves. Color - Mottling
6y ago
1
1
Solved
bSandersWitASteelChair
Leaf Spots, weak color, and leaf ripple
Please help me identify possible causes of this: small spots on leaves, minor color fade (not burn) along edges, and strange 'ripple' effect. A user commented that he thought my plants looked deficient but hasn't elaborated further yet. What might this be? Multiple issues?
Week 5
Leaves. Color - Mottling
Feeding. Deficiences
Techniques. LST
5y ago
1
3
Solved
masterofsmeagol
What's the issue with this leaf?
Can anyone help identify the issue on this leaf. Dreamcatcher is the strain and I can tell they were a reveg. It was root bound and I thought it was an issue with the roots. After transplant outside and sprayed with my IPM the plant has recovered but still has a few like this?
Week 14
Leaves. Color - Mottling
5y ago
5
2