a senior professor at the university and the founding director of Oregon State University’s Climate Group, which developed the map with the USDA. “This translated into about half of the country ...

As plant hardiness zones shift from climate change, gardeners must rethink their choices. Discover what these changes mean ...

And for the first time, the map is aligned with an interval of time known as a “climate normal.” That consistency is important for fairly comparing the USDA Plant Hardiness Zone Map with other weather ...

Climate changes are usually based on trends in overall annual average temperatures recorded over 50 to 100 years. The USDA Plant Hardiness Zone Map represents 30-year averages of what are ...

And last week, the USDA confirmed it by releasing an updated climate zone map for 2023. And for many gardeners, that means a change in growing zones. The map of the US is divided into zones ...

The USDA Plant Hardiness Zone Map uses weather data to map average annual ... are not climate related,” said Christopher Daly, director of the PRISM Climate Group and the map’s lead author. The plant ...

founder of the PRISM Climate Group at Oregon State University, which produced the hardiness zone map along with the USDA’s Agricultural Research Service. “I would not go out and buy a bunch of ...

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.

which we may be able to attribute to climate change.” The USDA Plant Hardiness Zone Map consists of 13 individual zones that take in all of the contiguous United States, plus Alaska, Hawaii ...

Climate shifts aren’t even — the Midwest ... Many areas, including Long Island, have been reclassified on the new USDA Plant Hardiness Zone Map to show they have warmer climates.

Where plants are concerned, the primary limiting factor is cold. If you look at the USDA climate zone or Sunset climate zone map, you will note that one zone is separated from the next by “avera ...