White mold on surface of potting soil..

ironart(z5 NY)April 29, 2009

I haven't run into it yet this season, but a couple years I ran into white mold on the surface of the potting soil..it didn't do my tomato plants a bit of good.

What is the cause and how do I prevent it from happening ?

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White mold on the surface is harmless, and comes with excessive moisture/humidity. I had a little of it this year, and it didn't do my plants any harm.

    Bookmark   April 29, 2009 at 11:11PM
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carolyn137(z4/5 NY)

Agree with catman.

Just scrape it off; no treatment is needed.

In my experience it's more apt to appear when using anything peat based as a container, which is why I've used only plastic cells for seedlings for about 20 years now.


    Bookmark   April 30, 2009 at 5:51AM
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scrape it off & make sure the plant has good air circulation and plenty of sunlight.

    Bookmark   April 30, 2009 at 12:13PM
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