Climate change complicates plant choices and care. Early flowering and late freezes can kill flowers like these magnolia blossoms. Matt Kasson, CC BY-ND With the arrival of spring in North America, ...

Question: My husband bought a few plants at a nursery recently. There was a tag describing the USDA Climate Zone. I live in Sonoma 9a, but I saw other zones mentioned such as 9b and 10. There was also ...

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 ...

Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature of ...

This article was originally featured on The Conversation. With the arrival of spring in North America, many people are gravitating to the gardening and landscaping section of home improvement stores, ...

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” ...

New Data Suggests Half of Earth’s Climate Zones Could Shift by the End of the Century ...