What plant hardiness zone is Pedro Bay

Pedro Bay is located at Lake and Peninsula Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Pedro Bay is 4a by the USDA scale.

Coldest zone's winter temperature is −30 … -25 °F.

Plants of 4a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4a USDA.

Pedro Bay, Alaska @ wikipedia.