1/17/2013 12:01 PM
Sheila, I tell my members we will cover when the air temp is forecasted to be below 25 "for an extended period of time". There are several variables that factor in how long that time needs to be before I have concern. Soil moisture, forecasted wind speeds, current soil temps to name a few.
I seldom cover the greens if it is going to be a one night event, no matter how cold, the soil temps just sdo not fall that far over night, unless they are very dry, and it is windy.