What is Large Patch?

Large Patch is fungus that begins developing when soil temperatures start dipping down to 70°F. Usually this occurs in the fall, but you may not notice the symptoms until the spring when the temperatures start to rise and the grass is greening up. Symptoms of this fungi are circular patches of light brown grass. Large patch is caused by too much nitrogen in the fall and spring, poor soil drainage, over-irrigation, excessive thatch accumulations and low mowing heights.

How to control Large Patch:

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