What plant hardiness zone is Little Round Lake

Little Round Lake is located at Sawyer County, Wisconsin (WI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Little Round Lake 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.

Little Round Lake, Wisconsin @ wikipedia.