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
Slight brown spots
Tubington9
started grow question 5y ago
Started to notice some very early signs of a deficiency, or possibly nutrient burn, any suggestions at to what it could be. Have been noticing some very slightly curled down tips.
Solved
Week 9
Leaves. Other
1 like
Hashy
answered grow question 5y ago
I wouldn't worry to much about that mate. If it persist you may have a problem.
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
Eclectic_Bloomz
Anybody have experience with mutations? What is the best thing to do?
Leaves. Other
5y ago
1
Solved
AmateurAtBest
Deficiency ???????
Are the marks showing on the leaves a deficiency? If so how do i resolve? They are like brown marks with almost a silver colour to them
Week 1
Leaves. Other
4y ago
1
1
Solved
Kaboose13
Identify bugs.
Found a few tiny cricket like bugs, I haven't seen before, are they good or bad? I do have a bit of bite damage on some leaves.
Week 17
Leaves. Other
6y ago
1
3
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
DougJitsu
Dark brittle leaves
I have noticed my one plants leaves are very dark and quite brittle. Like they are breaking/cracking on the actual leaves quite easily. What could this be from?
Week 13
Leaves. Other
6y ago
1
1
Solved
Rush2112
Help identify spots ?
Can you help me identify what’s causing this issue? Only seems to be affecting first set of leaves. Thanks!!!
Leaves. Other
6y ago
1
2
Solved
Cannachick13
Can anyone help me with the Mimosa Cake?
I’ve given her cal/mag and extra calcium with no improvement. Water is fine also!
Week 10
Leaves. Other
4y ago
4
6
Solved
Dmesh
Cal mag deficiency? White leaves
Does the whitish leaf in the last pic look like cal mag deficiency? I just started adding it along with tiger bloom. They don’t seem to have powder on them like mold, just seems like the leaf is going white from the inside
Week 5
Leaves. Other
3y ago
2
2
Solved
JSanchezz
Day 5 Flower Defoliation Tips and recommendations ?!
Day 5 flower should / can I defoliate (loolipop) and remove the lower shoots as a whole ? the one on the left is starting to change color to yellow, currently individual leaves ? not realy starting from the bottom
Leaves. Other
2y ago
1
Solved
CommonCourtesy666
Leaf miners?
Leaf miners? Any combative suggestions? Neem oil? Or the fox farm miticide?
Leaves. Other
5y ago
2
3
Solved
budda420
Help please??
Can anybody help me tell what this is please?? I think its a phosphorus deficiency but not sure as still new to this. They are blackberry autos from fastbuds genetics. In 3 gallon pots they drink about half a litre of water a day. Marshyrdo lights ts1000 and a ts600 in a 4x2
Leaves. Color - Pale
Leaves. Other
Feeding. Deficiences
5y ago
1
2
Solved
Growvanced
One of my Pineapple express plants showing a weird collour pattern on the leaves. I dont suspect issues with PH or EC / nutrients. Did someone had a similar case?
Week 3
Leaves. Other
6y ago
1
4
Solved
Euphory
Nutrient excess/deficient!
Hi guys i hope you are doing better than i do. I have one question. My Northern Light auto n. 1 in 6l pot - plagron royal-mix, shows some grow issues. Almost every leaf on the plant seems to have this "shit" on.
Week 3
Leaves. Other
6y ago
1
3
Solved
GreenCasper
Bugs or no
Do new cannabis leaves sometimes have defects or missing pieces? Mine seem to have a few missing spots and I’m wondering if it’s bugs or something to keep an eye on?
Leaves. Other
Other. Bugs
6y ago
1
1
Solved
PakaloloTingz
Calcium or magnesium deficiency?
Do you guys think this could be a calcium or a magnesium deficiency? Not sure if you can see the rusted color tips of the leaves...thank you for your help.
Leaves. Other
5y ago
2
2
Solved
lg2200
discoloration on leaves. (see pics)
A few lighter spots on leaves.... anyone have an idea? could it be TMV or similar virus? or normal nothing to worry about.
Leaves. Other
6y ago
3
3
Solved
Goldbud
Can anybody tell what is happening with my ladies, see time lapse Video .See the edges on the leaves and how the color changed from normal- to dark -green, she is growing slowly. I gave her 5ml/liter Orgatrex (NPK 15:7:8) + 0.5g/liter Bactrex as of May 1.
Week 3
Leaves. Other
6y ago
4
Solved
KisukeUrahara
Nutrient lockout? [first grow]
My plant’s started showing signs of nutrient burn, so I have flushed them with just water, after 1 day they turned to worse condition than before. Is it nutrient lockout? Or just deficient? Appreciate every feedback!
Leaves. Color - Yellow
Leaves. Other
Feeding. Other
5y ago
8
11
Solved
Colombian_gold
Help!! Anybody know what this weird substance on my plant is??
Don’t know what this white substance is. Looks like crystals, could it be dried nutrients or is it powdery mildew??? Never seen it before so a little worried. Thanks in advance for any help on this!
Leaves. Other
Other. Other
Roots. Other
4y ago
1
3
Solved
Skunkmaster420
I messed up
I accidentally snapped a branch should I cut it completely off or just pinch it off where it’s snapped?
Leaves. Other
6y ago
2