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.

In the news recently, the U.S. Department of Agriculture revised its plant hardiness zone map for the first time in more than a decade. As always, this is a hot topic in horticultural circles. What is ...

A map relied upon by many of America's 80 million gardeners and growers just got its first update in more than a decade. The U.S. Department of Agriculture's Plant Hardiness Zone Map shows warmer ...

For the first time since 2012, a new Plant Hardiness Zone Map has been released by the U.S. Department of Agriculture. The map, released Nov. 15, 2023, is a tool used by gardeners and growers around ...

In November, the U.S. Department of Agriculture released its latest version of the Hardiness Zone Map. This mapping system categorizes geographic regions according to their average annual minimum ...

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 ...

Low temperature is a crucial factor in the survival of plants at specific locations, but it's not the only thing for gardeners to keep in mind when selecting plants and locations for them to grow.

LUFKIN, Texas (KTRE) - Earlier this past week the United States Department of Agriculture (USDA) issued a press release announcing the new cold hardiness zones for the United States. This announcement ...

Freezing weather may make it hard to believe, but many Chicago-area gardeners — and their plants — are now living in a slightly warmer world, according to a new version of the USDA’s plant hardiness ...

The United States Department of Agriculture (USDA) recently released its updated Plant Hardiness Zone Map. The USDA Plant Hardiness Zone Map uses weather data to map average annual extreme minimum ...

ST. PETERSBURG, Fla. — If you've been feeling like it's been a lot hotter lately, you're not alone and now data is backing up those (sweaty) feelings. While the map is especially essential for ...

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