| 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 |  |  |  
 
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