You Bet Your Garden

Bare and patchy grass

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September 10, 2011 — What’s going on when discolored circles appear in a lawn? Mike McGrath discusses the most common causes of rings, spots and patches. Plus your fabulous phone calls.

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Question of the Week

I reseeded my lawn last fall with Kentucky bluegrass and it looked beautiful until early June, when I started noticing circular spots that turned brown, then gray and then black. It spread and approximately 3/4 of my lawn is now completely dead (not dormant). I have done a considerable amount of research and know that Kentucky bluegrass is difficult to grow here because of the harsh conditions for lawns. Although I have not had my grass tested, I’m fairly confident it has a fungus based on my research (although I realize it could be other things such as insects, poor drainage, etc.) But all I want to know is whether it is possible to completely eliminate fungus in the soil and, if so, how. Get the answer »

Photo by Flickr user Brian Gudzevich

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