Best Time To Spray Weed Killer in Saint Charles, MO 63303 for Kentucky Bluegrass Grass

Weed Control Schedule

This weed control plan utilizes Growing Degree Days to determine ideal application timing. 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.