The key to controlling grub worms in your lawn is to kill lawn grubs and then prevent lawn grubs. Many people make the mistake of not doing both.
The first step to get rid of lawn grubs is to kill them when you see them in your lawn. The fast acting 24hour products will do this. They won’t prevent lawn grubs, but they will kill them. Unfortunately the grubs most likely laid eggs so you’ll need to prevent those.
When to apply grub killer depends on the product you use. The Grubex1 product you need to apply the middle of spring to early summer. This will prevent lawn grubs from hatching next season, but it won’t kill grubs already in the lawn.
If you take this two-prong approach and continue to use the Grubex1 yearly, the population of white grubs will dramatically decrease until you should be able to not need to prevent them anymore!
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