Starting a successful garden begins with knowing your planting zone. These maps can help.

Plant hardiness zones are shifting northward nationwide as the country continues to warm, affecting farmers, gardeners and ...

The USDA bases its plant zone maps on average minimum temperature so people in each zone know which plants can best withstand their local weather.

What Are Plant Hardiness Zones? The United States Department of Agriculture (USDA) is responsible for creating a plant hardiness zone map.

Plant hardiness zones in Wisconsin range from 6a, which denotes an average minimum temperature of -5 to -10 degrees, to 3b, which is an average minimum of -30 to -35 degrees.

The importance of hardiness zones lies in their ability to help gardeners and farmers choose plants that will thrive in their specific region.

Ohio is part of 4 hardiness zones, 5b through 7a, on a scale that goes from 1a to 13b. “In 5b, the temperature range is -15 to -10 degrees Fahrenheit for the average annual extreme minimum ...

Texas has eight plant hardiness zones, ranging from the cold-hardy northwestern Panhandle to the warmer southern regions. Here's what to plant now.

Starting a successful garden begins with knowing your planting zone. These maps can help.

Starting a successful garden begins with knowing your planting zone. These maps can help.