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Lawns in Ontario are in serious risk of grub damage this spring because of all the rain that we have had this spring. Grub infestations are always higher during wet periods because adult grubs (june beetles) are able to lay more eggs.

Grubs infestations are a severe problem for home lawns because they can literally destroy lawns in just a matter of days. When grub larvae hatch in the spring, they begin feeding on the lawns root system. Because they chew through the roots,  in the spring and fall, they chew the root system to the point where the grass is no longer rooted in the soil. This is why when grub damage is bad enough you can literally pull up lawn with ease, much like pulling up a carpet that has not been stapled to the ground. After the roots of the grass have been chewed, the damage gets worse when animals such as skunks, and racoons, and birds begin digging in the lawn to feed on the grubs.

Homeowners in Ontario should be very wary of grubs this spring because of the rain we have had. If you suspect that you have a grub problem you should deal with it right away before the problem spreads. The best time to treat the lawn for grubs is late August/Early September as the only somewhat effective solution available in Ontario is nematodes and these must be applied when the grubs are actively feeding. It is critical to water nematodes after they have been applied.

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