Castle Hayne's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Castle Hayne a 2023 growing zone designation of 8b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Castle Hayne's climate. If you are looking for plants suitable for growing in the Castle Hayne area, head on over to our page on plants that grow well in Castle Hayne, NC.

Understanding your growing zone is very important because it is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would grow best in your particular climate. Since Castle Hayne is in growing zone 8b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Castle Hayne's climate should be chosen with this in mind or plants should be moved inside to keep their core temperature in the right range if necessary.

2023 USDA Growing Zone: 8b

Zip Codes: 28429

Longitude: -77.9114

Latitude: 34.3583

Lowest Avg Temperatures (F): 15 to 20