When to apply Grub Control in Promise City, IA for Rye 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 Promise City, IA. 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: July 4