Plant Hardiness Zone 2024. The plant hardiness zones detailed in the new map define 13 distinct zones across the us and its territories. This image from the u.s.

The plant hardiness zone map was updated for the 2024 gardening season with the addition of thousands more local weather stations. Gardeners and growers rely on the usda plant hardiness zone map to determine which perennial plants are most likely to grow and thrive at their location.