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.

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 map is a graphic representation of the United States broken into 26 zones based on average annual minimum temperature. Is it getting warmer? What the USDA's new plant hardiness map means for ...

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 ...

Heat domes, atmospheric rivers, bomb cyclones, and polar vortex—you’re not crazy, the weather is. And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. For ...

Thirty years later in 1990, the USDA released an updated Plant Hardiness Zone Map. This map took data from close to 8,000 weather stations and used data from the period from 1974 to 1986.

The hardiness zone map is not a guarantee your plant will survive. It's important to understand that the USDA hardiness zone is an indication of which plants are most likely to thrive in a location.

One of the major changes in this year’s edition of the hardiness map is the zone boundaries. The USDA states that the new zones are generally about one-quarter-zone warmer than reported in 2012 ...

Hardiness Zones 101. The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii, and Puerto Rico.

USDA releases new Plant Hardiness Zone Map The 2023 map uses data from 13,412 weather stations from 1991 to 2020. Cheryl McCloud. USA TODAY NETWORK - Florida.

Zones 2–10 were further subdivided into two 5-degree half zones termed “a” and “b.” Others, like the Arbor Day Foundation and Sunset, have since published their own plant hardiness maps, but the USDA ...

USDA updates plant hardiness map for the first time in more than a decade NPR's A Martinez talks to Ashlie Thomas, author of How to Become a Gardener, about the map gardeners and farmers use to ...