Sometimes called “growing zones” or “gardening zones,” USDA plant hardiness zones refer to areas of a map developed by the ...

Garden centers like Down to Earth Living in Pomona have hardy cold-weather annuals and vegetables perfect for early spring ...

However, before introducing tomato plants in your garden, you need to pay attention to the United States hardiness zone map.

The U.S. Department of Agriculture (USDA) has a Plant Hardiness Zone Map that divides the U.S. into 13 different zones, which helps gardeners choose plants that can survive in their respective ...