Why Do Mushrooms Grow in My Mulch?

Mushroom spores are notorious air-borne colonizers of organic materials, such as wood chips, leaf mulch, pine needles and straw. To minimize the likelihood of your garden sprouting unwanted fungi, buy only newly-chipped wood or freshly-baled hay. Mushroom growers seeking to limit alien mushroom colonies report success with treating certain organic materials with hydrogen peroxide.

Keywords: mushroom spores, fungi wood chips, mushroom straw

About this Author

Melissa Jordan-Reilly has been a writer for 20 years, both as a newspaper reporter and as an editor of nonprofit newsletters. Among the publications in which she has published are, "The Winsted Journal," "Taconic" and "Compass Magazine." A graduate of the University of Connecticut, Jordan-Reilly also pursues sustainable agriculture techniques and tends a market garden at her Northwestern Connecticut home.