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Back to Grow Questions
I added a couple pics of what looks like rust spot...
diamondtrichomes
started grow question 7y ago
I added a couple pics of what looks like rust spots on the leaves of only the tall plant in 7 gallon. I’ve given these two plants the exact same feeding so not sure what is causing it.
Solved
Week 5
Leaves. Color - Dark-brown
likes
Athos
answered grow question 7y ago
Looks like calcium deficiency, specially since it it's happened on the top leaves.
1 like
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Selected By The Grower
TropicThunder
answered grow question 7y ago
Looks like iron or calcium to me.. Happy growing friend
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Similar Grow Questions
Solved
Slowgrow179
Nutrient issues or some other problem?
This is my second grow. I’m experiencing tiny brown spots on leaves with yellowing of leaves it is a Seedsman nl auto.
Leaves. Color - Yellow
Leaves. Color - Dark-brown
3y ago
4
4
Solved
jbirdstheword
Burn, deficiency or other?
I’m completely stumped as to why my one plant is showing signs of deficiency or burn. Used the exact amount of fertilizer per plant. One plant is fine and the other looks terrible. I used a half dose of cal mag and it seems to have stopped but is not drinking or looking better.
Week 7
Leaves. Curl down
Leaves. Color - Dark-brown
Feeding. Deficiences
5y ago
3
2
Solved
Xylon
Dark spots starting after feeding. Concern? CalMag, first time feeding with more nutes, so it might be nute burn yea but is it a concern. It started moments after watering, or that's when i noticed it. On a few leaves. Earlier on i cut lower buds and did some defoliation
Week 12
Leaves. Edges burnt
Leaves. Color - Dark-brown
Feeding. Chemical composition
5y ago
1
Solved
NeverToxic
Handel es sich um Kalzium oder magnesium mangel oder ist das ein Pilz
Es handelt sich um Skywalker von dutch passion ist jetzt in der 3,5 Woche in der Blüte gedüngt wurde sie mit green house feeding grow zum Anfang und nach der zeit Umstellung habe ich bio bloom gedüngt nach Hersteller angaben erde von plagroon braune flecken seit 2Tagen überall
Leaves. Color - Dark-brown
1y ago
1
Solved
Ganga_Grower
Yellow/brown splodges
Hi there My plant is still young @ just over 2 weeks now. She has these brown/yellow splodges on only one leaflet but the new growth is looking a healthy green, so im not too concerned at this point. I am curious as to what it is though. What would you guys suggest it to be?
Leaves. Color - Yellow
Leaves. Color - Dark-brown
6y ago
3
2
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
Grishka
Can you identify the issue?
Leaves turning yellow and brown and curling at the tips
Leaves. Color - Yellow
Leaves. Color - Dark-brown
5y ago
2
Solved
BudsRus
Brown spots
Had issues with this plant since day 9- it collapsed so have added support It's now around 2 weeks old and is developing a brownish colour with some clear spots Please see pictures for a better description
Leaves. Color - Dark-brown
5y ago
3
3
Solved
Maryjane23
Colore brutto foglie
Ciao ragazzi una pianta solo In un punto si presenta così qualcuno sa dirmi il motivo? E come intervenire? Grazie
Week 8
Leaves. Color - Dark-brown
5y ago
1
2
Solved
Dillsnills
Some of the leaves on this one plant have brownish rusty spots on em jus looking for some jelpmplzz
Wondering what deficiency or nute burn or what is going on with this plants, a few of the leaves have minor tips that look brown and have brown kinda rusty spots on em, advice input opinions greatly appreciated. Orange Sherbert Auto, 3rd wk flowering,ph6.5, nute last feeding.
Leaves. Curl down
Leaves. Color - Dark-brown
Setup. Strain - Autoflowering
5y ago
3
3
Solved
TrimQueen
Ugly leaves
So, guys.. I asked a question here, like 3 days ago, about some leaves. I think I have found out what has happened. Mold ignition, but very few, at the root. Have already medicated. Do you think this is a mold symtomn? Cheers!
Leaves. Color - Dark-brown
5y ago
1
1
Solved
Bembeto
Carencia de Mg
Hojas en forma de bandera con manchas amarillas, sin dudas carencia de Mg, el problema es que no se que lo provoca, haré un estudio de acidez al suelo para estar seguro, pero dejo el hilo abierto a cultivadores más experimentados por si me podrían dar una mano con esto
Week 9
Leaves. Color - Dark-brown
4y ago
4
5
Solved
Hermes88
Help me please. Thank you so much.
Hi guys I need some help with my little plants, I have three plants one of them it's all right but the other one has this problem, I don't know if the problem is nutritional excess or nutritional deficiency, or maybe the irrigation.Instead for the topleaves look at the last phot
Leaves. Color - Yellow
Leaves. Color - Dark-brown
3y ago
2
3
Solved
KabakciLar
yellow leaves and brown leaves
Leaves in 1 pot are turning yellow and dark brown burns are occurring help please https://ibb.co/yhyTtMh https://ibb.co/2YkHksM https://ibb.co/Kwb5fsd https://ibb.co/nw4ntyP https://ibb.co/44JtDz5
Leaves. Color - Yellow
Leaves. Color - Dark-brown
3y ago
3
3
Solved
Livinit2019
What do you think is causing the spotting, leaf curling, and stunted growth in plant #1? My money is on light burn and/or PH issue. I have a PH control kit I've been using to treat the water, but do you think just treating the water is enough? Using FoxFarm HF soil, no nutes yet
Week 2
Leaves. Color - Dark-brown
6y ago
1
3
Solved
NorCal311
I have a couple plants that have some leaf thing going on. I have not done a bunch of defoliation this grow and they are getting old. The pics from week 14 are original leaf's. Some of these leaf's got splashed during feeding
Week 14
Leaves. Color - Dark-brown
6y ago
4
2
Solved
JoseTodoLoco
One of the plants doesn't look so good, looks like is related Cal/Mag deficiency but I added it after 10 days from seed so not sure if I had to add more or is something else. Any clue about it?
Week 4
Leaves. Color - Yellow
Leaves. Color - Dark-brown
5y ago
3
Solved
Lapolda
Deficit?
Hello, everyone. Thanks in advance for the advice. Is this a nutrient deficiency?
Week 12
Leaves. Color - Dark-brown
4y ago
1
Solved
VitaMan
Leaf necrosis
What's going on with mk Ultra? It gets Neem every 2-3 days, and I have tried to keep pH down to 6. This has been going on since I got the clone, and it continues to happen. The pink kush (last pic) has a few similar spots. Lights are 50cm above.
Week 3
Leaves. Color - Dark-brown
3y ago
3
2
Solved
Flyalivebeats
Leaves have brown spots
Any idea what these brown spots could be?
Leaves. Color - Dark-brown
4y ago
1
6