Natural Resources Canada is working on the first update to its plant hardiness zones map since 2014, hoping to have the map – which gardeners rely on when determining what plants will thrive in ...

The map is based on 30-year averages of the coldest winter temperatures at specific locations, and divides the continental U.S. and Canada into 10 zones, which are further divided into half-zones.

The 2023 USDA Plant Hardiness Zone map, which was generated based on weather data gathered from 1991 to 2020, indicates that about half the United States moved into a warmer zone.

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 ...

So use the zone map as a baseline to assess plant hardiness, not as a bible. And one more thing (or two) We are now firmly in winter season, and thus far, December has proved to be slightly warmer ...

“The USDA plant hardiness zone map gives us an idea of our average high and low temperatures,” says McClure. She comes from a horticultural family and manages about 100 volunteer master gardeners ...

Knowing where your home is on the USDA Plant Hardiness Zone Map is important, but so is understanding your Southern climate zone if you want to choose perennials, trees, and shrubs that will ...