The Grow Awards 2026 🏆 
Small holes, yellow border, new young leaves, Fungi?
Vampyrestarted grow question 2y ago
What could this be, and how can I treat it?
Been very Humid the past 3 Weeks. Rainfall increased too in South Germany.
Treated it with Neem Oel. I think/hope it stopped spreading. Been observing it for a week now and always treating it with a very thin mixture of Neem Oel.
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Todzillaanswered grow question 2y ago
Hi! You have a fungus my friend. This shows usually in wet humid weather.
Blowing fans on them or moving them to a dry location will help.
In my experience, fungus infestations are difficult to cure. Lowering the humidity - significantly - to under 60, preferably 40, is needed. This is difficult to achieve outdoors.
Cut the fungus leaves out to prevent the spread, get some airflow and get them in a dry environment at night.
Best of luck in your grow.
BerrySweetHighanswered grow question 2y ago
Hello Vampyre,
This is definitely not a deficiency.
So it could be pest damage or some kind of fungal.
My advice is to cut the damaged leaves of and study them under a microscope to see if it is pest or fungal. And then solve this problem.
Happy Growing Buddy! 💚
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