Port Penn's Hardiness Zone
Our records indicate the United States Department of Agriculture has given Port Penn 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 Port Penn's climate. If you are looking for plants suitable for growing in the Port Penn area, head on over to our page on plants that grow well in Port Penn, DE.


Large Greenhouse Kit

Brass Watering Can

Seed Starting Trays

Steel Hori Hori Weeding Knife

Stainless Steel Garden Tool Set
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 Port Penn is in growing zone 7b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Port Penn'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: 19731
Longitude: -75.5811
Latitude: 39.5169
Lowest Avg Temperatures (F): 5 to 10

Rustic Iron Garden Trellis

Steel Hori Hori Weeding Knife

Stainless Steel Garden Tool Set

Worm Composting Kit
