Cyr's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Cyr a growing zone designation of 5b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Cyr's climate. If you are looking for plants suitable for growing in the Cyr area, head on over to our page on plants that grow well in Cyr, MT.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Hoeing Ain't Easy Garden Sign

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

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

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 Cyr is in growing zone 5b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Cyr'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: 5b

Zip Codes: 59820

Longitude: -114.5879

Latitude: 47.0002

Lowest Avg Temperatures (F): -15 to -10