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Lawn Problems

Q.White Dust on Grass

Anonymous added on April 18, 2011 | Answered

I have a white dust appearing on healthy grass. There has been a small area on the north side of our house the past couple of years, but this year it seems to be spreading to other parts of the yard. The grass appears healthy and green. Any thoughts?

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Certified GKH Gardening Expert
Answered on April 19, 2011

While I cannot be totally sure, the white dust you mention sounds like powdery mildew. Here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

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