What plant hardiness zone is Caswell

Caswell is located at Matanuska-Susitna Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Caswell is 2b by the USDA scale.

Coldest zone's winter temperature is −45 … -40 °F.

Plants of 2b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 2b USDA.