When to apply Grub Control in O Fallon, MO 63366 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, MO 63366. 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.
For your location, you can apply pre-emergent on any date as it's warm enough year round.