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This is a discussion on How to keep leaves clean - any tips or pro methods? within the General Orchid Culture forums, part of the Orchid Culture category; I've noticed that orchids that come from professional growers, and even from some hobby growers, ...
I've noticed that orchids that come from professional growers, and even from some hobby growers, have these lovely pristine clean leaves. They are perfect. Mine, however, especially those grown outdoors in shade, gradually develop a dust-like layer that looks a bit grungy.
I actually think it's a grey fungus rather than dirt. It grows best on the most shaded orchids - on their leaves and even over the outside of their pots.
Is there a special way to...
a) Prevent this?
b) Fix it once it's happened?
Last edited by Delila; March 15th, 2015 at 06:26 AM.
Not seem a grey fungus like what you mentioned. Here it is usually dirt and fungicide residues. I usually clean it with a milk solution (1:10) and wipe it with cotton or baby wipes. I do this once a while.