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If treated properly, many herb plants will survive in the garden for a number of years. Others are sensitive to frost or severe cold weather and must be brought indoors, protected, or replanted each year. In North Carolina, annual herbs will be killed with the first hard frost in the fall. With a little extra care and attention, many perennial herbs will survive the winter and survive in the garden for many years.
The decisions of when to turn an irrigation system on and off for frost protection are complex and difficult. This guide presents a procedure to follow in making these decisions. This guide is based on the assumption that you have completed certain tasks prior to the night of the decision making. These tasks encompass important planning decisions that are made well ahead of the frost season.
This publication discusses how to find information about frost and freeze probability data in North Carolina and how to use these resources to make planting and harvesting decisions.
To grow more consistent crops and improve your cash flow in years with damaging frost events, this chapter will show you how you can: 1) identify an active protection system to protect your vineyard during budbreak and early shoot development, 2) use the basic principles of frost and frost/freeze protection to deal with complex cold protection scenarios, so that you use your active protection system(s) efficiently, and 3) operate the equipment correctly.
