City and County of Denver, Colorado, CO, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for City and County of Denver, Colorado (CO), USA is:

• 5b

by the USDA scale.

• coldest zone's winter temperature: −15 … -10 °F

Cities of City and County of Denver, Colorado (CO), USA

• DenverUSDA hardiness zone: 5b
• Denver International AirportUSDA hardiness zone: 5b