What plant hardiness zone is Cape Newenham

Cape Newenham is located at Unorganized Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Cape Newenham is 5b by the USDA scale.

Coldest zone's winter temperature is −15 … -10 °F.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.

Cape Newenham, Alaska @ wikipedia.