Northwest Arctic Borough, Alaska, AK, USA plant hardiness zones (gardening zones)

Plant hardiness zones (winter frost zones or gardening zones) range for Northwest Arctic Borough, Alaska (AK), USA is:

by the USDA scale.

• coldest zone's winter temperature: −55 … −50 °F

• warmest zone's winter temperature: −40 … -35 °F


Cities of Northwest Arctic Borough, Alaska (AK), USA