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 ...

Travel is always a gratifying experience for us plant lovers because of the many opportunities to learn something new about the botanical world. Not only are we introduced to plants that don’t grow in ...

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.

Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature of ...