Plant Hardiness Zone 2024

Plant Hardiness Zone 2024. The usda hardiness zone map is a valuable tool for assessing plant hardiness based on average annual extreme minimum winter temperatures. Natural resources canada is working on the first update to its plant hardiness.

Each growing zone is 10°f warmer (or colder) in an average winter than the adjacent zone. While half of the country remains the same zone as before, it’s important to double check your.