As gardeners and farmers across the country decide which plants to grow this spring, many look to plant hardiness zones for guidance. The U.S. (including Alaska and Hawaii) is divided into 13 plant ...

Question: How can I make sure I am buying landscape plants that are adapted to our climate? Answer: The U.S. Department of Agriculture has developed a climate zone map so we can select plants that are ...

Question: My husband bought a few plants at a nursery recently. There was a tag describing the USDA Climate Zone. I live in Sonoma 9a, but I saw other zones mentioned such as 9b and 10. There was also ...