Frost Finale

Lambs ear with a touch of frost in A Garden For All by Kathy Diemer

Lambs ear with a touch of frost (photo by: Kathy Diemer)

Simply stated, frost is created when water vapor in the air touches an object’s surface that is below the freezing point, thereby forming frost crystals.  Frost crystals are actually transparent, yet due to the way their multifaceted shapes reflect light, a coating of frost often appears greyish or white instead.  According to Wikipedia, there are several types of frost, such as hoar frost (related to Jack), the white crystals that form on the ground and exposed objects, advection frost, the icy spikes caused by cold winds that usually form on taller objects, white frost, a much heavier ice formation than hoar frost, created under low wind and high humidity conditions, and window frost, those beautiful icy designs that are formed on the outside of our glass doors and windows on bitterly cold days.  [Read more…]