The trick is to know which are which - and this is where the US hardiness zones come in. The USDA has split the country into 13 zones according to the average lowest winter temperature recorded at ...

How do you identify your USDA zone? Lydia tells us that you can easily find your zone using the USDA Plant Hardiness Zone Map, which is available online. "Just enter your zip code, and the map ...

While there are different ways to map climates, USDA Plant Hardiness Zones are based only on the minimum average temperature. Using this scale, California spans from zone 5a, where average annual ...

With the US leading and the euro zone trailing, Goldman Sachs (GS ... the business expects the United States to remain the fastest-growing large economy in the industrialized world.