Dog Vomit Fungus
Dog Vomit Fungus (and mushrooms in general)
This is indicative of something rotting in the subsoil; perhaps a tree stump or a dead animal. Fully remove the mushroom and discard it. To manage mushrooms, aeration is necessary to break up the existing dense fungal mat of mycelia. Remove cores at least ¼” to 1 inch in diameter slightly deeper than the fungal mat. Determine the depth of this mat with a trowel or shovel. You may have to aerate these areas a number of times each year to keep ahead of the regrowing mushrooms. This aeration breaks up the fungal mat but also improves water and air penetration into the soil creating a better lawn growing environment. If the fungal mat is more than 3”, a shovel or auger may be used to penetrate deeper into the ground. To completely eradicate mushrooms, you may need to remove the soil to a depth of 12” to 18”. Refill the trench with fresh soil and reseed the area. Be careful not to infest any surrounding areas with the contaminated soil! Also apply Love Your Soil to help the grass to grow and thrive; this hastens the breakdown of organic matter. New sod lawn installations require frequent irrigation and sometimes promote the growth of mushrooms. The mushrooms do not harm the lawn and will disappear when irrigation is reduced.
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