What plant hardiness zone is Karlstad

Karlstad is located at Kittson County, Minnesota (MN), USA.

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