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