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.

KALAMAZOO — The U.S. Department of Agriculture's new Plant Hardiness Zone Map, released Wednesday, bumps many areas into warmer zones — including Kalamazoo, which has moved from its old zone, 5 or 5-b ...

Late last November, the United States Department of Agriculture (USDA) released an updated Plant Hardiness Zone map for the United States. Gardeners use this map to determine which plants and specific ...

URBANA, Ill. — On a cold, blustery January day, it may be hard to remember that 2023 was the hottest year on record. But the newest update to the plant hardiness map, in which half the country shifted ...

The U.S. Department of Agriculture recently issued a new Plant Hardiness Zone Map that has shifted many areas in our region a half a zone higher. This is the map that most gardeners use to determine ...

New data about where plants can grow best shows how Wisconsin has warmed over the past few decades. In November, the U.S. Department of Agriculture released a new version of its Plant Hardiness Zone ...

The U.S. Department of Agriculture's latest Plant Hardiness Zone Map shows Iowa is warming up, at least a little bit. Updated in November for the first time since 2012, the map, a standard guide to ...

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to reflect ...

If you grow any plants in Colorado, your zone is everything! The USDA has just released the 2012 Plant Hardiness Zone Map that could put you in a whole new zone. What is a hardiness zone? The USDA’s ...

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 ...

Cacti won't be growing in Central New York gardens anytime soon. But some areas may be able to grow peaches, different varieties of grapes or a Southern magnolia tree. The U.S. Department of ...

A new zone hardiness map is giving gardeners a more in-depth look at just how cold their corner of the Poconos could be. And it's about time, says Kim Kaplan, spokesman for the Agricultural Research ...