What plant hardiness zone is Y

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

Plant hardiness zone (winter frost zone or gardening zone) for Y 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.