What Are Those Large Round Fungus Balls That Appeared In My Lawn Last Summer?



Those large balls are part of a fungus that feeds on decaying material. They will normally not harm the grass, but can be unsightly.

* They are always present in the soil to a certain degree and probably did not come in from the seed. If you worked some organic material into the soil, the fungus may just be breaking it down.

* I know of no good control except to be certain to water deeply and infrequently, giving the soil a chance to dry out between waterings.

* The fungus requires water to survive and thrive and will become less of a problem if the soil is given a chance to dry out between waterings.

Posted on 5 Apr 1999

Jerry Goodspeed
County Director, Horticulture Agent, Weber County

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