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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
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Roberts
answered grow question 4y ago
You are experiencing progressive potassium deficiency. Light nitrogen and heavy potassium are phosphorus in flowering. Good luck🌱
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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
MarkWatney
Black spots?
Is this a deficiency, nutrient burn, or disease, growing in MG soil, recovering from overwatering as well.
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
5y ago
1
1
Solved
TopDrippinPimp
Phosphorus deficiency?
Wondering if this is a phosphorus deficiency... i dont think it looks like cal mag. Any thoughts
Leaves. Color - Dark-brown
5y ago
1
Solved
Dawel
Puntas y bordes amarillos/marrones ¿Carencia de Potasio?
Mi planta comenzó a florar aproximadamente hace 2 semanas y note que las puntas de las hojas se ponen amarillas, las hojas mas viejas se han puesto algo palidas y las puntas pasan de amarillo a marrón. También hay manchas marrones en hojas de mediana edad. ¿Carencia de K?
Leaves. Color - Yellow
Leaves. Color - Dark-brown
3y ago
4
3
Solved
QueenNitha
Help
What’s wrong with my plant?
Week 6
Leaves. Color - Dark-brown
5y ago
3
3
Solved
Dillsnills
Advice on what's going on with this plant some yellow and brown on the leaves
Looking for help to diagnose what's going on w this plant,did a mini flush ppm runoff 610 intake 345ppm, wk 7 flowering Girl Scout Cookie Auto GardenOfGreen, should I do a nute feeding next,FF chaching,big bud? Ph6.5. Advice input opinions greatly appreciated.
Leaves. Color - Yellow
Leaves. Color - Dark-brown
Feeding. Deficiences
5y ago
1
1
Solved
lovely_neighbours
Crispy brown leaves
northern light is showing yellow and brown leaves at the top and the bottom of the plant. These leaves are thin and crispy like if they are about to fall off. I am watering it 2 to 3 times per week and started adding a bit of cal mag last week when they started showing brown dots
Week 6
Leaves. Color - Dark-brown
4y ago
8
6
Solved
AlienScrOG
leaf !?... no real problem.. is it a stress due to excessive handling of fertilizers or the breaking of the field in stops and leaves for training?
good morning guys I noticed some burnt leaves I don't understand if it was a slight lowering of the level of the dwc ..because I noticed some slightly dry upper roots then I increased the level and after the roots improved ... I don't understand if that machine is due to stress o
Week 5
Leaves. Color - Dark-brown
Leaves. Other
Techniques. LST
3y ago
2
Solved
HYDRO_LIGHT
How to recover best? Burn, heat or root rot?
I'm growing DWC in a tent and was going great until two days ago when the air tub came out of the pump for half the day so water wasn't moving AND its got to about 96 degrees in the tent. Now all the top flowers are getting crispy and brown and thin. Help!
Leaves. Curl down
Leaves. Color - Dark-brown
Plant. Wilting
4y ago
2
3
Solved
Growsa
This is my first grow any help would be appreciate.
Week 6
Leaves. Color - Dark-brown
6y ago
2
Solved
Hix57
Ma plante présentes des tâches sur les feuilles ainsi qu'un jaunissement commençant part les extrémités. Elle a récemment reçu pendant une semaine de l'eau claire. Sinon la plante de se porte bien. Des idées concernant ces taches ? Dans l'attente, merci d'avance pour vos réponse.
Week 9
Leaves. Color - Dark-brown
1y ago
4
3
Solved
Wyregrasser
Hi everyone. I am rdwc w/4 plants near end of flower. This plant has always been unhealthy. However this is a new twist. As I said rdwc, other girl are groovy, so it is what it is but my question is; what is it? Genetics?
Week 16
Leaves. Color - Dark-brown
3y ago
8
5
Solved
Black_Magic
I got problems on lives I think it’s ph Bottom lives fingers getting brown on side like in the picture in diary Thx for helping
Week 2
Leaves. Color - Dark-brown
8y ago
3
1
Solved
Att14
Brown marks in leaves.
Hello ppl these brown marks started appearing on the leaves. Plant started to flower. Growing in light mix using BioBizz nutrients. Watering roughly every 3 days always mixed with nutrients. Ph between 6.3-6.5. The other plant exactly same strain and conditions not showing.
Leaves. Color - Dark-brown
4y ago
2
1
Solved
Eddjack
Deficiency?
I need help recognizing a deficiency. i think it is cal mag, but it seems strange it has quite heavy nutrition. the pH of the earth is 6.20. i'm at 7 weeks and it also seems a bit slow in flowering. what can i do?
Week 11
Leaves. Color - Dark-brown
Leaves. Color - Mottling
5y ago
4
4
Solved
Dirtydraggel
What kind of deficiency is this or is it light burn? Can provide more pictures since they are in a sleep period now. It’s this plant, strawberry banana one and the purple queen.
Week 7
Leaves. Color - Dark-brown
7y ago
4
4
Solved
TripleCcannabis
Seedling Curling up and browning
Neither one of my new seedlings seem to be doing very well. This one isnt as brown as the other but its leaves are starting to curl. There still ridged but are curling up.
Week 1
Leaves. Curl down
Leaves. Color - Dark-brown
5y ago
1
Solved
Shotiie
Still deficiency? Or wrong diagnosis?
Hi I have a cal mag deficiency it appears? I gave her some calmag yesterday about a half liter (from a gallon/5ml dose) bc she's already wet. How long does it take to correct this? I also have been spraying the leaves. OR did i diagnose wrong?
Leaves. Color - Dark-brown
4y ago
2
Solved
Strombelete
Brown Spots on Leafs, veg and flowering, CalMag Def or overfert?
Hi, I have been running 2 Sensi Skunk Autos and 2 Sensi Tang Sugar with 43 days. Soil is All Mix and Nutes from the BioBizz line. 9l pots and watering every 2-3 day with 1l water. Ferts every watering like this: 1l - 1,0ml BioGro/1,8 BBloom/2,0 ActiVera/1,0 Top Max/1,0 CalMag Thx
Leaves. Color - Dark-brown
1y ago
3
1
Solved
Walleyeguy
Canoeing and Brown Spots of leaf edges and tips.
I have some Canoeing and Brown Spots forming on tips and edges of some leaves. Both Top and lower leaves. Not sure what issue is ? Please see pictures. This is a coco grow so soil suggestions might not be helpful.
Week 11
Leaves. Edges burnt
Leaves. Color - Dark-brown
5y ago
5
5
Solved
thebiglebowski
Bonjour à tous pouvais vous me confirmez que cela vient d'un trop d'engrais ?
Leaves. Color - Dark-brown
3y ago
3
4