Winter officially arrives Dec. 21. Are you prepared? We could have a frost at any time now. Every cold spell sends gardeners scrambling to protect their plants. Many gardeners despair when they find plants have perished despite their precautions.
Before you race to cover, consider what plants are most vulnerable and how cold injures them. Plants are damaged when the water in their cells freezes and expands, destroying cell tissues. Most plants that originated in cold climates have a means of protecting their cell walls from damage; tropical plants do not.
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