Growing degree days · base 50°F
Growing degree days in Anchorage, AK
Season to date · since January 1
910GDD
Active growth
The lawn is growing hard. This is the productive window for nitrogen, and where PGR sprays pay off most because the grass is putting on clippings fastest.
This week in Anchorage
Anchorage, AK added 0 growing degree days this past week, 0 a day, reaching 910 for the season. 7 of the seven added nothing, staying below the 50°F base.
| Day | Added | Season total |
|---|---|---|
| Tue | 0 | 910 |
| Wed | 0 | 910 |
| Thu | 0 | 910 |
| Fri | 0 | 910 |
| Sat | 0 | 910 |
| Sun | 0 | 910 |
| Mon | 0 | 910 |
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 Anchorage, AK
GDD is a trend indicator. Soil temperature is the signal that actually decides pre-emergent and seeding timing, and it is 43.4°F here at 2 inches.
Full soil report for 99501 →Nearby
Growing degree days near Anchorage
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This page recalculates when you load it. The app accumulates GDD for Anchorage, AK daily and tells you when your PGR window opens. Free on iPhone and Android.