Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature of ...
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 ...