The United States is divided into 13 different plant hardiness zones, each with "A" and "B" subdivisions. This is a number assigned to a plant that tells you how cold of a temperature the plant can ...

On Nov. 15, the U.S. Department of Agriculture released a revised version of its Plant Hardiness Zone Map. This map is what home gardeners, as well as professional growers, use to determine which ...

WASHINGTON (AP) — Southern staples like magnolia trees and camellias may now be able to grow without frost damage in once-frigid Boston. The U.S. Department of Agriculture’s “plant hardiness zone map” ...

Travel is always a gratifying experience for us plant lovers because of the many opportunities to learn something new about the botanical world. Not only are we introduced to plants that don’t grow in ...

Tim Kohlhauff remembers the days when his hometown of Spokane, Washington was in zone 5b on the Plant Hardiness Zone Map. When he was growing up, daisies, rhododendrons, and azaleas were always ...

Mountainous and high-altitude regions are considered to be among the most fragile ecosystems on Earth. From melting glaciers to land erosion, these environments face mounting threats from climate ...

Brown skies over Europe and North America from Canadian wildfires and record “hot” North Atlantic seas are signs that we have reached a new level of climate risk — one that threatens the well-being of ...

Australians living in consistently hot and humid northern regions are at greater risk of kidney failure than their ...