Us Planting Zones 2024 Map With Cities. The usda is updating an important map for gardeners and growers picking plants and flowers. Usda’s plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.
Sections of the south central us, including houston, texas, and new orleans, louisiana, have changed to new zones in the 2023 usda map (left). Planting zones are listed by each state’s coolest and warmest planting zone.