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Gardening

In reply to the discussion: Powdery mildew [View all]

The Velveteen Ocelot

(122,792 posts)
2. I agree. Get rid of the mildewy parts (don't compost them).
Mon Oct 14, 2013, 09:57 AM
Oct 2013

I've never heard of "immunizing" by making mulch out of mildewed plants. I'm involved in our county master gardener program, and I've never heard anyone advise anything but getting rid of the infected stuff. Some kinds of plants seem to get it no matter what, but it seems to occur most often when there's dampness and high humidity, and it's worse if the plants are crowded together.

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