When to apply Grub Control in O Fallon, IL for Kentucky Bluegrass grass

Insect Control Schedule

This insect control plan utilizes Growing Degree Days of Japanese Beetles to determine wehn to apply grub and insect control in O Fallon, IL. The date listed below is based on average historic temperatures in your area. These should only be used as a guideline, and actual weather forecasts should be used to determine actual dates.

Grub preventer application deadline: June 21