What plant hardiness zone is Russian Mission

Russian Mission is located at Unorganized Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Russian Mission is 3a by the USDA scale.

Coldest zone's winter temperature is −40 … -35 °F.

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

Russian Mission, Alaska @ wikipedia.