About half of the country moved into a slightly warmer zone in the Agriculture Department’s new “plant hardiness” map, an important guide for gardeners. Climate change may be a factor.

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 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 2023 map is based on 30-year averages of the lowest annual winter temperatures at specific locations, is divided into 10-degree Fahrenheit zones and further divided into 5-degree Fahrenheit ...

As of the most recent release, the November 2023 map has the US broken into 13 cold hardiness zones in 10-degree Fahrenheit intervals, with each zone further broken into “a” (the warmer half ...

Weather observation data sites grew from 7983 in the 2012 zone map to 13,412 in the most recent 2023 zone map which has allowed for greater detail and resolution in the plant hardiness zones. The ...

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.

Plant hardiness zone map an important, but not tell-all tool for gardeners The 2023 map is about 2.5 degrees warmer than the 2012 map, translating into about half of the country shifting to a ...

The 2023 map is about 2.5 degrees warmer than the 2012 map, translating into about half of the country shifting to a warmer zone. SUBSCRIBE NOW! Read Today's Paper Friday, June 6 ...

The U.S. Department of Agriculture has recently released a new “plant hardiness zone map” that shows some areas of Western New York can now be considered a zone warmer, for ...

The USDA 2012 Plant Hardiness Zone Map. USDA The USDA Plant Hardiness Zone Map divides the United States and Canada into 13 zones, based on the average annual minimum winter temperature.

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 ...