Analyzing the overseed timing window

We've been using growth potential (GP), and specifically the difference between the cool-season and the warm-season GP, to identify the optimum overseeding dates based on temperature. I made some calculations of optimum overseeding dates for three locations with a lot of overseeding: Myrtle Beach, SC; Augusta, GA; and La Quinta, CA. Then I talked with Jim Huntoon from Horry-Georgetown Technical College in Myrtle Beach about this calculation of an optimum window for overseed timing, and about overseeding in general.

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