Twin Cities gardeners know the drill: Look for plants marked Zone 4 or lower to survive the winter deep cold. It might be time to reconsider that strategy. Last week, the U.S. Department of ...

As spring nears, many are wondering what we should or shouldn’t grow now that the U.S. Department of Agriculture (USDA) has updated its plant zone hardiness map and moved parts of Minnesota from Zone ...

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 ...

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 ...

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 ...

This week the U.S. Department of Agriculture (USDA) released an updated version of its Plant Hardiness Zone Map (PHZM)—a datum used by gardeners and farmers to determine which plants are most likely ...