Growing Zones Usa 2024 Schedule

Growing Zones Usa 2024 Schedule. Each growing zone is 10°f warmer (or colder) in an average winter than the adjacent zone. Understanding planting zones is not complicated.

The usda hardiness zone map divides north america into 11 separate planting zones; Department of agriculture (usda) today released a new version of its plant hardiness zone map (phzm), updating this valuable tool for gardeners and researchers for the first time.