What plant hardiness zone is Port Alexander

Port Alexander is located at Petersburg Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Alexander is 8a by the USDA scale.

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

Plants of 8a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8a USDA.

Port Alexander, Alaska @ wikipedia.