The Q&A Archives: squirrels digging in yard

Question: I have two large trees in my front yard. I notice the squirrels digging plug of grass, turning it upside down and eating it. They also dig in my flower beds around the trees. What are they doing? Is this harmful to my yard?

Answer: It sounds to me as though the squirrels are feasting on grubs in your lawn. Just to check, dig out a square of your turf and look at the undersides of the roots and the surface of the soil. If you find fat grubs there, that's what the critters are eating. While the squirrels are doing some pest control for you, the more they find, the more frequently they will visit. You can simply replace the divots every morning or you might want to treat your lawn for grubs to eliminate the attraction. One product is milky spore powder, a naturally-occuring bacteria that kills grubs; you simply apply the powder in a grid pattern on your lawn. The powder is harmless to earthworms and other creatures. The bacteria will continue to multiply, and will keep working for up to 20 years. (The results won't be immediate, however; it will take some time to notice a decline in the grub population.) Another option is an application of GrubX.

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