| Temp °F | Temperature Status | Moisture cb | Soil Status |
|---|---|---|---|
| < 20 | Winter Kill Possible | 0-10 | Saturated Soil |
| < 33 | Soil Frozen | 11-25 | Adequately Wet |
| 33-40 | Lawn Growth Ceased | 26-60 | Irrigation Desired |
| 41-50 | Root Growth Only | 61-100 | Irrigation Needed |
| 51-65 | Optimal Root Growth | 100+ | Dangerously Dry |
| 66-75 | Optimal Shoot Growth | ||
| 76-90 | Shoot Growth Only | ||
| 90+ | Lawn Growth Ceased |