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Keeping Plants and Trees Warm When Temperatures Drop .
Florida, in the southeastern United States, is called the Sunshine State.
The unusually long period of cold weather has shown how even warm climates can sometimes freeze over.
Ice protects these oranges during an overnight freeze last week in Apopka, Florida Sudden cold can be the biggest threat, especially after a warm period.
Cold weather is most likely to damage or kill plants that do not have enough moisture.
University of Arizona extension experts say covering plants and small trees with cloth or paper can help prevent frost damage. A one-hundred watt light bulb designed for outdoor use can also provide warmth.
He explains that as the water freezes, it produces heat, and the ice forms a protective blanket around the tree.You can also wrap a tree in palm tree frond leaves, cornstalks or fiberglass.
http://www.voanews.com/specialenglish/2010-01-11-voa2.cfm

impression
I thought that it was hard to raise a plant by a cold climate.
But the people living in Florida think that I am terrible because I have technology to bring up without giving a plant cold wind by knowledge and an action.