New Castle's Hardiness Zone

Our records indicate the United States Department of Agriculture has given New Castle a growing zone designation of 6b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in New Castle's climate. If you are looking for plants suitable for growing in the New Castle area, head on over to our page on plants that grow well in New Castle, KY.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Worm Composting Kit

Complete kit for starting your own worm composting system.

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 New Castle is in growing zone 6b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for New Castle'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.

USDA Growing Zone: 6b

Zip Codes: 40058, 40050

Longitude: -85.1689

Latitude: 38.4334

Lowest Avg Temperatures (F): -5 to 0