The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions. Need a break?

The United States Department of Agriculture (USDA) is responsible for creating a plant hardiness zone map. This tool divides the country into 13 color-coded areas based on their average extreme ...

Comparing the 2023 map to the previous version from 2012 clearly shows that as climate change warms the Earth, plant hardiness zones are shifting northward. On average, the coldest days of winter ...

You can grow any deciduous fruit tree in our part of the world but only those varieties that have a low winter chilling requirement — less than 300 hours below 45 degrees during the winter ...

The USDA Plant Hardiness Zone Map helps home gardeners pick which plants to grow. But recently, roughly a quarter of the country has moved zones. What does this mean for your backyard plants? This ...

The USDA Hardiness Zone Map, the arbiter of cold hardiness for plants, underwent a massive revamping in November, throwing the gardening world into a bit of chaos. As a new gardening season dawns ...

How is the map divided? The map is divided into 13 zones, with a 10°F change in temperature between each Zone. Out of the 13 Planting Zones, Zone 1 is the coldest and Zone 13 the warmest, with a ...

Plant hardiness zones in Wisconsin range from 6a, which denotes an average minimum temperature of -5 to -10 degrees, to 3b, which is an average minimum of -30 to -35 degrees.