About half of the country moved into a slightly warmer zone ... New York Botanical Garden. Jason D. Lanier, an extension specialist at the University of Massachusetts Amherst, said the shift in ...

The United States Department of Agriculture (USDA) has released a new Plant Hardiness Zone Map (PHZM), the first update since 2012. The new map shows that most of the country, including New York ...

The U.S. Department of Agriculture recently released a new version of its Plant Hardiness Zone Map, updating this valuable tool for gardeners and researchers for the first time since 2012.

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual extreme minimum temperature, so people in those areas know which plants can ...

The United States Department of Agriculture (USDA) recently released its updated Plant Hardiness Zone Map. The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum ...

The USDA’s new Plant Hardiness Zone Map shows temperatures about 2.5 degrees higher in the United States than the previous version released in 2012. The map is used to determine what plants will ...