lawn pests - Knowledgebase Question

Posen, Mi
Avatar for jostema
Question by jostema
March 16, 2010
The snow has just melted & the lawn looks terrible. There are small holes,tiny dirt pyramids, & what looks like trails in the lawn. What can it be & how do I get rid of it? Ed

Answer from NGA
March 16, 2010
Freezing temperatures and a winter's worth of snow can compact the soil enough to drive out earthworms (tiny pyramids) and can give field mice and voles a nice cover in which to run and hide (trails). If the ground is lumpy and bumpy you can spread topsoil to help even it out. The grass will grow through the layer of top soil, as long as it isn't too thick. If the soil is not uneven it might benefit from aeration which will ease the compaction. Either approach will help improve the ground. Or you might just want to wait until the grass starts growing in earnest. It's possible it will thicken up and hide the trails. As you begin to water on a regular basis the pyramids of soil will probably dissolve and fill in the little holes.

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