Helena West Side's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Helena West Side a 2023 growing zone designation of 4b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Helena West Side's climate. If you are looking for plants suitable for growing in the Helena West Side area, head on over to our page on plants that grow well in Helena West Side, MT.

8pc Heavy Stainless Steel Garden Tool Set

Hydroponic Indoor Garden Grow Kit

Reusable Grow Bags for Tomatoes, Vegetable and Fruits

Seed Starting Trays
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 Helena West Side is in growing zone 4b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Helena West Side'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: 4b
Zip Codes: 59636, 59601, 59602
Longitude: -112.1148
Latitude: 46.5966
Lowest Avg Temperatures (F): -25 to -20