What we don't want to happen is have the trees leaf out while we still have frost or below-freezing conditions.

It was 17 below wind chill. We were freezing the whole day.

He destroyed their vines with hail, and their sycomore trees with frost.

Men are like trees: each one must put forth the leaf that is created in him.

We've turned over probably every leaf in this city. ... They know that we can't search forever.

We have had a very severe frost and deep snow this month. My thermometer was one day fourteen degrees and a half below the freezing point, within doors.