This oncidium was “forgotten” in a shady area under a tree, where it gets watered regularly. I looked at it yesterday and saw all this powdery mildewy stuff all over the roots and basket. We’ve had a lot of rain here over the last week or so that probably hasn’t helped. Other than being a little waterlogged, the roots, leaves and the plant in general is (or seems to be) healthy. How can I get rid of the white stuff?

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Posted via Mobile Device