Portage County, Wisconsin Hardiness Zones

According to the 2023 USDA Hardiness Zone Map Portage County, Wisconsin is in Zones 4b (-25°F to -20°F) and 5a (-20°F to -15°F). There is no change from the 2012 USDA Hardiness Zone Map which has Portage County in also in Zones 4b (-25°F to -20°F) and 5a (-20°F to -15°F).

Related Pages

2024 plantmaps.com