Sometimes called “growing zones” or “gardening zones,” hardiness zones refer to a map developed by the USDA that separates the United States into regions based on the average low winter temperatures.

With the first week of winter officially underway, many local gardeners are adding compost, cuddling potted plants against the house and making room for outdoor plants to come indoors. Yet winterizing ...

CINCINNATI (WKRC) - Plant hardiness zones have long been a useful guideline for determining if what you're planting in your yard can handle cold temperatures. The USDA’s Agricultural Research team ...

The United States Department of Agriculture (USDA) released a new version of its Plant Hardiness Zone map, the first update since 2012. This new map is a tool used to help gardeners and growers ...

WASHINGTON — 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 was ...

As gardeners and farmers across the country decide which plants to grow this spring, many look to plant hardiness zones for guidance. The U.S. (including Alaska and Hawaii) is divided into 13 plant ...

Are you getting ready to plant your spring bulbs? If so, you might want to check up on which plant zone you're in. A plant zone, or hardiness zone, is a region with a similar average minimum ...