Big Horn County, Montana, MT, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Big Horn County, Montana (MT), USA is:

• 4a
• 4b
• 5a

by the USDA scale.

• coldest zone's winter temperature: −30 … -25 °F

• warmest zone's winter temperature: −20 … -15 °F

Cities of Big Horn County, Montana (MT), USA

• BusbyUSDA hardiness zone: 4a
• Crow AgencyUSDA hardiness zone: 4a
• DeckerUSDA hardiness zone: 4a
• Fort SmithUSDA hardiness zone: 5a
• GarryowenUSDA hardiness zone: 4a
• HardinUSDA hardiness zone: 4b
• KirbyUSDA hardiness zone: 4a
• Lodge GrassUSDA hardiness zone: 4a
• MuddyUSDA hardiness zone: 4a
• PryorUSDA hardiness zone: 4b
• Saint XavierUSDA hardiness zone: 4b
• WyolaUSDA hardiness zone: 4b
• YellowtailUSDA hardiness zone: 5a