Unorganized Borough, Alaska, AK, USA plant hardiness zones (gardening zones)

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

by the USDA scale.

• coldest zone's winter temperature: −60 … −55 °F

• warmest zone's winter temperature: +10 … +15 °F


Cities of Unorganized Borough, Alaska (AK), USA