What plant hardiness zone is Port Clarence

Port Clarence is located at Unorganized Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Clarence is 3b by the USDA scale.

Coldest zone's winter temperature is −35 … -30 °F.

Plants of 3b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3b USDA.

Port Clarence, Alaska @ wikipedia.