When to apply Grub Control in O Fallon, MO for Zoysia 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. 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.