Best Time To Spray Weed Killer in Derry, PA 15627 for St. Augustine 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.