Chouteau County, Montana, MT, USA plant hardiness zones (gardening zones)

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

• 3b
• 4a
• 4b

by the USDA scale.

• coldest zone's winter temperature: −35 … -30 °F

• warmest zone's winter temperature: −25 … -20 °F

Cities of Chouteau County, Montana (MT), USA

• Big SandyUSDA hardiness zone: 4a
• BoneauUSDA hardiness zone: 4a
• CarterUSDA hardiness zone: 4a
• FlowereeUSDA hardiness zone: 4a
• Fort BentonUSDA hardiness zone: 4a
• GeraldineUSDA hardiness zone: 4a
• HighwoodUSDA hardiness zone: 4a
• LomaUSDA hardiness zone: 3b
• ShonkinUSDA hardiness zone: 4a
• VirgelleUSDA hardiness zone: 4a
• WarrickUSDA hardiness zone: 4b