The Ortho Home Gardener's Problem Solver



Lawns: Mushrooms

Problem
Mushrooms sprout up in the lawn after wet weather. They may be growing in circles of dark green grass. When the weather gets colder or the soil dries out they disappear.

Analysis
Mushrooms, also called toadstools and puffballs, live on organic matter buried in the soil. The mushroom is the above-ground fruiting or reproductive structure of a fungus that lives on and helps to decay the organic matter. The organic matter may include buried logs, lumber, roots, or stumps. Most mushrooms do not damage the lawn, but are objectionable because they are unsightly. Mushrooms growing in circles of dark green grass, called fairy rings, may make the soil impervious to water and injure the grass.

Solution
There is no practical or permanent way to eliminate mushrooms. When the buried wood is completely decayed, the mushrooms will disappear. The easiest and most practical solution, although it is only temporary, is to break the mushrooms with a rake or lawn mower.



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