Frost occurring in the dark of the moon kills fruit, buds, and blossoms; but frost in the light of the moon will not.
Early Frosts.
Early frosts are generally followed by a long and hard winter. Light or white frosts are always followed by wet weather, either the same day or three days after.
Easter Frost.
Past the Easter frost and fruit is safe.
Fences, Trees.
In winter if the fences and trees are covered with white frost, expect a thaw.
Frosty Trees.
If the trees are frosty and the sun takes it away before noon, sign of rain.
First Katydid.