What plant hardiness zone is Gulkana

Gulkana is located at Copper River, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Gulkana is 2b by the USDA scale.

Coldest zone's winter temperature is −45 … -40 °F.

Plants of 2b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 2b USDA.