Boulder Junction's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Boulder Junction a growing zone designation of 4a. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Boulder Junction's climate. If you are looking for plants suitable for growing in the Boulder Junction area, head on over to our page on plants that grow well in Boulder Junction, WI.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

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 Boulder Junction is in growing zone 4a this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Boulder Junction'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: 4a

Zip Codes: 54512

Longitude: -89.6487

Latitude: 46.1136

Lowest Avg Temperatures (F): -30 to -25