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Back to Grow Questions
Leaves have brown spots
Flyalivebeats
started grow question 4y ago
Any idea what these brown spots could be?
Solved
Leaves. Color - Dark-brown
1 like
Roberts
answered grow question 4y ago
You are experiencing progressive potassium deficiency. Light nitrogen and heavy potassium are phosphorus in flowering. Good luckđ±
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Selected By The Grower
Coopmc
answered grow question 4y ago
You should find answered hear I sugest finding a feed scheadual and follow it
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Coopmc
answered grow question 4y ago
https://www.royalqueenseeds.com/blog-cannabis-nutrient-and-deficiency-table-n88
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Coopmc
answered grow question 4y ago
https://www.botanicare.com/faqs/can-i-foliar-spray-with-cal-mag-plus/
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Coopmc
answered grow question 4y ago
https://growace.com/blogs/learning-center/how-to-fix-nutrient-lockout
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Flyalivebeats
answered grow question 4y ago
So what should I do?
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Similar Grow Questions
Solved
Smokin_Joe
Discoloration and Spots
I'm still not sure if this is a deficiency or some sort of burn. It's definitely spreading a bit more, and I'm unsure if there's time left to address it in the grow. Video of full plant in week.
Week 18
Leaves. Edges burnt
Leaves. Color - Dark-purple
Leaves. Color - Dark-brown
6y ago
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Solved
CARLOSPLANCTON
Mid Flower, Yellow, burnt leaves
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Week 8
Leaves. Tips - Burnt
Leaves. Color - Yellow
Leaves. Color - Dark-brown
5y ago
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Solved
Efka710
Hey guys see week 13 day 90 last picture is it Mag toxicity or deficiency? I been watering with molasses 4ml every second watering
Week 13
Leaves. Color - Dark-brown
6y ago
1
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Solved
KINGT88
Leaves changing colors
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Week 4
Leaves. Curl down
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
1
5
Solved
minigroww
Is this bud rot?
I found strange purple/dark brow discoloration on one of buds and surrounding leaves. It could be caused by bad supercropp of the cola, or I am thinking bud rot. What do you think, should I harvest immediately, or am I stressing too much? RH is 50-60%, but the box is cramped.
Week 9
Buds. Other
Leaves. Color - Dark-brown
5y ago
2
2
Solved
Granddaddy_Terp
Brown spotting?
Hey everyone! My plant is in her 5th week and a few days ago (around day 30) I noticed some brown spotting on a few of the mid/lower leaves. Does anyone know what this could mean? I gave her her first feeding 3 days ago. 1/4 strength veg nutes and 1/8 strength bloom nutes.
Week 4
Leaves. Color - Dark-brown
Leaves. Color - Mottling
4y ago
1
3
Solved
infamous8803
Brown spots
I'm having what I think is a cal deficiency. Ive been using calmag for a week or so now. Just curious if this will ruin my end results? It looks pretty bad. Buds still look nice though. Any thoughts?
Leaves. Color - Dark-brown
6y ago
2
Solved
koronkonko
Deficienty - what is it?
What is this symptom? Calcium? mostly middle section, autoflowering pH 6,4, day 45, soil, LED. Yesterday I foliar spray with cal-mag.
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
2
1
Solved
heythere12345
General looks
How are my blackberry auto and orange sherbet look like in general? Orange sherbet stayed too short for some reason.. feeding schedule is the same on both( see blackberry auto diary).đ
Leaves. Color - Dark-brown
Plant. Too short
4y ago
2
3
Solved
Magic43562
Brown spots
Brown spots only on 1 leaf, is this a problem? Wasnât there this morning
Leaves. Color - Dark-brown
6y ago
4
3
Solved
balansa
hey guys i have a question. i grew this girl on 400 HID now i bought viparspectra 450v because of the heat problem and electricity bills )) so will she suffer when i will switch the lights and can i help her somehow??? thanx bros )))
Week 8
Leaves. Color - Dark-brown
7y ago
1
1
Solved
Backstabbath
What deficiency is this?
Can someone tell me what this is being caused by? My suspicion is a potassium/ calcium deficiency? It's affecting mostly the larger fan leaves. Also, affected leaf stems are turning purple. Posted a pic of one of the leaves
Week 6
Leaves. Color - Dark-brown
5y ago
3
Solved
TiredHerbalist420
What is wrong with my purplematic cbd?
Whats wrong with her? Could it be too high PH?, it was around 7.2.., i also noticed i had my temperature raised 30'C but i got it fixed it to 22'C, some leaves are crispy dry, some bluish coloring, few leaves have little bit brown on tips, now i noticed some brown spots on leaves
Leaves. Tips - Burnt
Leaves. Color - Dark-purple
Leaves. Color - Dark-brown
3y ago
4
9
Solved
NIagaraFalls420
Deficiency issue/problem with leaves
Any idea what problem Iâm having with my plant/leaves? Iâm guessing some type of deficiency because Iâve only fed once and it was a few weeks ago. (Check photos in most recent week). Any advice/ tips would be awesome, thanks!
Week 7
Leaves. Wilting
Leaves. Color - Yellow
Leaves. Color - Dark-brown
6y ago
3
3
Solved
Debutant_dream23
ExcĂšs d'azote
J'ai un excÚs d'azote en fin de floraison sa fait une 1 semaine que je rince à l'eau claire et m'a planté reste toujour au vert foncé qui peux m'aider merci
Leaves. Color - Dark-brown
6y ago
3
3
Solved
TheProfessorGrows
K deficiency? Or something else?
Not sure how to go about this deficiency. PH is solid at 6.5 so itâs not a ph issue. It seemed I had corrected the deficiency when it first appeared a few weeks ago, but now the brown spots seem to be spreading again. I think it might be K but not sure? Any ideas?
Week 9
Leaves. Color - Dark-brown
3y ago
1
3
Solved
Dillsnills
Leaf septoria or jus a deficiency? I removed the affected leaves.
I jus removed these as a precaution, leaf septoria is what I was told this is in week 3-4 flowering ik it def will be stunted now I wiped my tent down w a wash cloth and hydrogen peroxide I did not want to use bleach, what should I do next?Keep an eye on it and hope for the best?
Leaves. Color - Dark-brown
Leaves. Other
Setup. Strain - Autoflowering
6y ago
3
3
Solved
Accidental_Grower84
Orange spots on fan leaves
What are these spots due to? I was using pH 6.5 tap water and bud candy 1mL per L for every watering. Just water from now on. Should I worry? 2 weeks left before harvest
Week 10
Leaves. Color - Dark-brown
Feeding. Deficiences
6y ago
3
3
Solved
ExoticGrower
Weird leaf problem?
My plant (Exodus cheese) has been recovering from a nutrient deficiency but I noticed the leaves are turning brown in the middle. Why is this happening?
Leaves. Veins - yellow between
Leaves. Color - Dark-brown
4y ago
2
2
Solved
Smoking_Joe_Frazier
Discoloration underneath the leaves. Should I be concerned?
Leaves. Color - Dark-brown
2y ago
2
2