FROSTS
carlobal@netzero.net (Tue, 13 Nov 2007 06:47:50 PST)

It's the water freezing and the crystals piercing cell membranes that cause the damage...not the sun. Warming the leaf after its frozen merely allows the collapse of those cells to finish.

Carlo A. Balistrieri
The Gardens at Turtle Point
Tuxedo Park, NY 10987
Zone 6 (845.351.2049)
Visit: http://www.botanicalgardening.com/