Plant Hardiness Zone 2024. 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. The new usda plant hardiness zone map (phzm) has been released!

Each zone has ‘a’ and ‘b’ halves, like 7a and 7b, representing colder and. Enter the first five digits of your us zip code or canadian postal code and we’ll tell you where you fall in the hardiness zones database.