Growing degree days determine how much heat a plant needs before harvesting. However, growing degree days can extend beyond ...

The GDD number is cumulative; it increases with each passing day. As of Jan. 20 this year, no growing degree days have accumulated in the OSU campus zip code of 43210. In 2023, 23 growing degree ...

Figure 2. Corn growth and maturity stage predictions based on seasonal accumulation of growing degree days (ODD), Lafayette, Indiana. The mean GDD values for the Corn Belt and adjacent regions are ...