Plant Hardiness Zone 2024. In november 2023, the usda issued an updated plant hardiness zone map. These zones are delineated based on the average annual lowest minimum temperature.

Down to the street you live on, the 2023 usda hardiness zone map shares — in detail — what climate conditions plants need to thrive at a given location. The hardiness zone map is a great tool for choosing plants that will thrive in your garden, but it is not the only resource you can use when planning your backyard.