Harrington's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Harrington a growing zone designation of 7b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Harrington's climate. If you are looking for plants suitable for growing in the Harrington area, head on over to our page on plants that grow well in Harrington, DE.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Brass Watering Can

Elegant brass watering can with classic design and durability.

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 Harrington is in growing zone 7b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Harrington'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: 7b

Zip Codes: 19952

Longitude: -75.5707

Latitude: 38.9243

Lowest Avg Temperatures (F): 5 to 10