The USDA updated its map of plant hardiness zones for the first time in over a decade. The new map shows that half the country has shifted to warmer zones. The updated zones could allow gardeners to ...

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 ...

The USDA (U.S. Department of Agriculture) released an updated Plant Hardiness Zone Map in mid-November. This map is used to determine which plants will likely survive the winter in a particular ...

Knowing the precise time to get annual plants into the ground and whether or not a perennial will grow in a given location is often buried in local community lore, but the US Department of Agriculture ...

Whenever you purchase a new perennial plant, shrub, or tree, you've probably noticed information about hardiness zones on the plant tag or description. But what does it mean? "Plant hardiness zones ...

The United States Department of Agriculture released an updated version of last year's Plant Hardiness Map to offer a guide for gardeners to understand which plants can survive and thrive based on the ...

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 ...

Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. The official news that 2012 was the hottest year ...

A new map from the USDA has some northern gardeners hoping to grow plants that used to be considered too fragile for cold weather zones. The hardiness zone chart is about a half zone warmer than the ...