The USDA states that the new zones are generally about one ... bodies of water and urban areas. Even across large properties, growers should learn to find cool pockets. As a general tool, though, the ...

Arizona spans across zones 5 through 10. The new map, created by USDA's Agricultural Research ... showing lower temperatures in the countryside and large green spaces, compared to fully-paved ...

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 ...

The latest edition of the USDA’s Plant Zone Hardiness Map, used by big growers ... a national company with a large farm in Forest Grove. “We use the zones on a daily basis and when placing ...

The U.S. government has updated its map of plant hardiness zones for the first time in more than a decade. The map sets out the average annual extreme minimum winter temperature across the country ...

The USDA (U.S. Department of Agriculture) released an updated Plant Hardiness Zone Map in mid-November. This map is used to determine which plants will likely survive the winter in a particular ...

USDA zones are based on averages, not isolated events, and plants can be killed if the temperatures in the winter dip too low regardless of what the new map says. “The other thing on top of it ...

or what the USDA calls the “average annual extreme minimum temperature.” The new map moves about half of the United States, including much of Colorado, into a warmer growing zone. Large swaths ...

The USDA Plant Hardiness Zone Map represents 30-year averages of what are essentially extreme weather events (the coldest temperature of the year), changes in zones are not reliable evidence of ...

according to the USDA. In the Chicago area, a number of notable revisions were made to the map, which had previously been updated in 2012. Under the previous version, a large portion of Cook ...

While there are different ways to map climates, USDA Plant Hardiness Zones are based only on the ... While these flowers grow throughout large swathes of the state, some cultivars perform best ...