Us Hardiness Zone Map 2024 Us. The usda plant hardiness zone map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The new map provides valuable insights for gardeners that just might alter the way they plan and schedule their plantings.
Over time they have changed a bit as temperatures. 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.