Growing degree days in Winston-Salem, NC
Season to date · base 50°F · since January 1
2,943GDD
Peak accumulated heat
The season has banked substantial heat. Warm-season grass is at its strongest; cool-season grass may be under heat stress and should not be pushed with nitrogen.
Through 2026-08-01 · Open-Meteo archive
How the heat has built this year
Cumulative growing degree days since January 1. Each day adds the average of that day’s high and low, minus a 50°F base, with nothing added on days that stay below it.
PGR reapplication tracking
Plant growth regulator timing uses a Celsius-scale accumulation, not the seasonal Fahrenheit one. This page tracks a 10°C base, which is the Bermuda (warm-season) figure. Trinexapac-ethyl is typically re-sprayed near 200 GDD on cool-season turf and roughly 216 to 230 on warm-season turf, measured from your last application rather than from January. Always follow the product label.
Track GDD from your own spray date →Soil temperature right now in Winston-Salem, NC
GDD is a trend indicator. Soil temperature is the signal that actually decides pre-emergent and seeding timing, and it is 74.6°F here at 2 inches.
Full soil report for 27101 →Get this number every morning
This page recalculates when you load it. The app accumulates GDD for Winston-Salem, NC daily and tells you when your PGR window opens. Free on iPhone and Android.