Crystals grow and rupture cell walls, similar to poking a hole in a water-filled balloon.
Ice crystals form easily around the bacteria. Many plants are capable of withstanding temperatures of 28 degrees Fahrenheit before significant damage occurs. This is particularly true of flower blooms on fruit trees in the spring. Plants are able to withstand a gradual reduction in temperature with less injury than a rapid change. Copyright Information Copyright 1995 by the Board of Trustees of the University of Illinois.