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

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

• 6a

by the USDA scale.

• coldest zone's winter temperature: −10 … -5 °F

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

• BroomfieldUSDA hardiness zone: 6a