New Hardiness Zone Map 2024 India. The plant hardiness zone map is the national standard for gardeners and landscapers to determine the plants that are most likely to survive the coldest and. The usda plant hardiness zone map was redrawn in 2023.
Most trees, shrubs, and perennials have been evaluated for their winter hardiness. The 2023 usda plant hardiness zone map shows the areas where plants can be expected to grow, based on extreme winter temperatures.