The U.S. Department of Agriculture Wednesday issued its new Plant Hardiness Zone Map, last updated in 1990. Syracuse and most of Central New York moved from zone 5a to zone 5b, which means winter ...

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 ...

With the recent development of an enhanced Plant Hardiness Zone Map, the United States Department of Agriculture (USDA) has provided farmers and gardeners a more accurate guide to planting in ...

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to ...

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 ...

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 ...

As temperatures warm across America, growing zones for flowers, shrubs, and trees are shifting northward. ZONE 3 ZONE 4 ZONE 5 ZONE 6 ZONE 7 ZONE 8 ZONE 9 The maps above show how so-called plant ...

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 ...

Southern Nassau and New York City are in a zone where the average lows range from 5 to 10 degrees. The old map, last updated in 1990, indicated the region's coldest day ranged from -5 to 0 degrees ...

On Wednesday, the Department of Agriculture unveiled what most gardeners had known for years: a new plant hardiness zone map that shows generally warmer winter low temperatures than the department ...

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.