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.

The U.S. Department of Agriculture’s new Plant Hardiness Zone Map confirms what gardeners have been noticing for years – our winters aren’t as cold as they used to be. USDA just released new ...

The USDA’s winter hardiness zone map has long been the standard used by home gardeners, plant breeders and researchers to determine which plants are most likely to thrive in their location, based on ...

With spring on the horizon, many gardeners are preparing for prolonged, hearty growing seasons in their region. The United States has a diverse ecological footprint, so growing seasons differ slightly ...

It’s taken more than a decade, but the US Department of Agriculture (USDA) has finally released an updated Plant Hardiness Zone Map that spans the nation and the territory of Puerto Rico in such ...

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 ...

A new version of the Plant Hardiness Zone Map has just released by the the U.S. Department of Agriculture, and it's big news for gardeners who rely on the data to determine which plants can survive ...

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 ...

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