What plant hardiness zone is King Salmon

King Salmon is located at Bristol Bay Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for King Salmon 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.

King Salmon, Alaska @ wikipedia.