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 ...

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 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 ...

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.

director of the PRISM Climate Group at Oregon State University that jointly developed the map with the USDA. Daly says the new map means about half the country has shifted into a new half zone and ...

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 ...

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 ...