Bristol Bay Borough, Alaska, AK, USA plant hardiness zones (gardening zones)

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

• 4a

by the USDA scale.

• coldest zone's winter temperature: −30 … -25 °F

Cities of Bristol Bay Borough, Alaska (AK), USA

• King SalmonUSDA hardiness zone: 4a
• KoggiungUSDA hardiness zone: 4a
• NaknekUSDA hardiness zone: 4a
• SavonoskiUSDA hardiness zone: 4a
• South NaknekUSDA hardiness zone: 4a