The best time to plant onions depends on your zone. “In warmer zones, such as 7 and up, you can plant in late fall or winter,” says Anna Ohler, owner of Bright Lane Gardens.

The U.S. Department of Agriculture has come out with the 2023 USDA Plant Hardiness Zone Map. This is the first time the map has been updated since 2012 and now gets data from over 13,000 weather st… ...