The first day of spring will be here before you know it! And for green thumbs, that means planning and starting your seasonal garden. But before you buy your seeds, there's some very important ...

The U.S. Department of Agriculture unveiled its long-awaited update of its 1990 U.S. Plant Hardiness Zone Map Thursday at the National Arboretum in Washington. The map, which was revised to reflect ...

If you're new to gardening you'll need to familiarize yourself with growing zones and what they mean. If you are a seasoned gardener, you still might be confused about zones. The U.S. Department of ...

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 ...

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 ...

Have you ever looked at the tag on a plant at your local garden center and been perplexed that it says something like “Zones 5-9”? This number refers to the “hardiness zones” defined by the U.S.