Growing degree days · base 50°F
Growing degree days in Little Rock, AR
Season to date · since January 1
5,813GDD
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.
This week in Little Rock
Little Rock, AR added 160 growing degree days this past week, 22.9 a day, reaching 5,813 for the season. Its warmest day added 27.
| Day | Added | Season total |
|---|---|---|
| Tue | 19 | 5,672 |
| Wed | 22 | 5,694 |
| Thu | 23 | 5,717 |
| Fri | 24 | 5,741 |
| Sat | 23 | 5,763 |
| Sun | 23 | 5,786 |
| Mon | 27 | 5,813 |
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 Little Rock, AR
GDD is a trend indicator. Soil temperature is the signal that actually decides pre-emergent and seeding timing, and it is 67.9°F here at 2 inches.
Full soil report for 72201 →Nearby
Growing degree days near Little Rock
- Memphis, TN129 miles from Little Rock · ZIP 38103
- Fayetteville, AR139 miles from Little Rock · ZIP 72701
- Shreveport, LA177 miles from Little Rock · ZIP 71101
- Springfield, MO183 miles from Little Rock · ZIP 65801
- Jackson, MS208 miles from Little Rock · ZIP 39201
- Tulsa, OK221 miles from Little Rock · ZIP 74101
Get this number every morning
This page recalculates when you load it. The app accumulates GDD for Little Rock, AR daily and tells you when your PGR window opens. Free on iPhone and Android.