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Hyacinth Plant

Q.pure white mold on bottom of trees

Zone Alexandria, VA 22307 | lmhhike added on May 22, 2018 | Answered

After an extended period of rainy weather (10 days straight), a maple tree cut down a few years ago along with a live tree now have a thick coating of white on the button of the trunks. It seems to have appeared overnight. Any ideas what this is and what to do about it?

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Certified GKH Gardening Expert
Answered on May 22, 2018

In most cases, this is just the beneficial fungi in the soil flourishing... When you see black or green... then you can worry.

For now, I would recommend applying dolomitic lime and wettable sulfur, just to ward off any infections that are prone to thriving in wet weather. Otherwise, there will be no action needed.

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