Usda Hardiness Zone Map 2024. — recently, the usda updated its plant hardiness map for the first time in 11 years. — the new map provides valuable insights for gardeners that just might alter the way they plan and schedule their plantings.
— the usda hardiness zone map has been updated to reflect temperature data collected over the last 30 years. Download in csv, kml, zip, geojson, geotiff or png.