Usda Hardiness Zone Map 2024 Usa. The usda plant hardiness zones have long been a standard in communicating plant suitability across the us. Department of agriculture has an updated plant hardiness zone map.
Download in csv, kml, zip, geojson, geotiff or png. Considered the current standard measure of plant hardiness, the usda 2023 plant hardiness zone map is based on average annual minimum winter temperatures.