I've always wondered why farmers spray water on fruit plants and trees during cold snaps. Now I know! It's because when the water freezes on the plants and trees, the ice will remain at 32 degrees, even if the air temperature is much colder. Makes sense!
Cool pic:

A rose is protected by a cocoon of ice at Dewar Nursery in Apopka on Thursday. (RED HUBER, ORLANDO SENTINEL / January 3, 2008)
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