Growing degree days · base 50°F
Growing degree days in Salt Lake City, UT
Season to date · since January 1
3,957GDD
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 Salt Lake City
Salt Lake City, UT added 127 growing degree days this past week, 18.1 a day, reaching 3,957 for the season. Its warmest day added 23.
| Day | Added | Season total |
|---|---|---|
| Tue | 22 | 3,853 |
| Wed | 19 | 3,872 |
| Thu | 21 | 3,893 |
| Fri | 22 | 3,915 |
| Sat | 23 | 3,938 |
| Sun | 13 | 3,951 |
| Mon | 6 | 3,957 |
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 Salt Lake City, UT
GDD is a trend indicator. Soil temperature is the signal that actually decides pre-emergent and seeding timing, and it is 59.4°F here at 2 inches.
Full soil report for 84101 →Nearby
Growing degree days near Salt Lake City
- Provo, UT38 miles from Salt Lake City · ZIP 84601
- Boise, ID298 miles from Salt Lake City · ZIP 83701
- Fort Collins, CO356 miles from Salt Lake City · ZIP 80521
- Las Vegas, NV362 miles from Salt Lake City · ZIP 89101
- Denver, CO370 miles from Salt Lake City · ZIP 80202
- Cheyenne, WY371 miles from Salt Lake City · ZIP 82001
Get this number every morning
This page recalculates when you load it. The app accumulates GDD for Salt Lake City, UT daily and tells you when your PGR window opens. Free on iPhone and Android.