Montrose County, Colorado, CO, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Montrose County, Colorado (CO), USA is:

• 4b
• 6a
• 6b

by the USDA scale.

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

• warmest zone's winter temperature: −5 … 0 °F

Cities of Montrose County, Colorado (CO), USA

• BedrockUSDA hardiness zone: 6b
• CimarronUSDA hardiness zone: 4b
• MaherUSDA hardiness zone: 6a
• MontroseUSDA hardiness zone: 6b
• NaturitaUSDA hardiness zone: 6b
• NuclaUSDA hardiness zone: 6b
• OlatheUSDA hardiness zone: 6b
• ParadoxUSDA hardiness zone: 6b
• RedvaleUSDA hardiness zone: 6a