What plant hardiness zone is Summit Lake

Summit Lake is located at Langlade County, Wisconsin (WI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Summit Lake is 4a by the USDA scale.

Coldest zone's winter temperature is −30 … -25 °F.

Plants of 4a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4a USDA.

Summit Lake, Wisconsin @ wikipedia.