What plant hardiness zone is Roseau

Roseau is located at Roseau County, Minnesota (MN), USA.

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