Black frost

Alternative definitions (2), class: vernacular (0)
Term: Black frost
Definition: 1. A dry freeze with respect to its effects upon vegetation, that is, the internal freezing of vegetation unaccompanied by the protective formation of hoarfrost. A black frost is always a killing frost, and its name derives from the resulting blackened appearance of affected vegetation. 2. Among some fishermen, a steam fog that extends above the bridge level of the fishing boats. If the steam fog does not reach this height, it is a white frost.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary