What is the USDA plant hardiness zone map? Implemented in 1960, the Plant Hardiness Zone map has become an important tool for gardeners nationwide when selecting trees, shrubs and perennials that ...

Map developers from USDA and Oregon State University, updated the plant hardiness zoning for half of the country based on 30 years of climate data.

The map is a graphic representation of the United States broken into 26 zones based on average annual minimum temperature.

The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum temperatures (winter lows) over a recent 20-year period. The most recent release covers weather data from 1991 ...

Earlier this past week the United States Department of Agriculture (USDA) issued a press release announcing the new cold hardiness zones for the United States.

It's not quite as cold as it used to be in Iowa, a new U.S. Department of Agriculture plant hardiness map shows. What will it mean for gardeners?

Map showing the new assembly boundaries in Wisconsin. Wisconsin Department of Public Instruction However the approximately 700 registered voters in Summit received ballots for the primary in the ...

The 2023 USDA Plant Hardiness Zone Map, which helps determine what plants are most likely to survive harsh temperatures, divides the country into 13 zones, each representing a band of 10 degrees ...

The United States Department of Agriculture (USDA) released a new version of its Plant Hardiness Zone map, the first update since 2012. This new map is a tool used to help gardeners and growers ...

The USDA Plant Hardiness Zone Map represents 30-year averages of what are essentially extreme weather events (the coldest temperature of the year), changes in zones are not reliable evidence of ...

While the USDA Plant Hardiness Zone Map should not be the sole deciding factor for what plants you plan to grow next season, it definitely can serve as a handy tool for deciding which plants have ...