The USDA divides the United States into seven planting regions, known as hardiness zones, which were most recently updated in 2023. The maps below show these planting regions. Need a break?

The USDA produces plant hardiness zone maps. The hardiness zones show the expectation of the coldest temperature over a long period of time. Different plants are tolerant to different levels of cold.

What this means is that advice passed down by your parents or grandparents on planting may now be out of date. Average climate conditions are used to create so-called "plant hardiness zones ...

Instead planting zones as a whole are shifting northward. This in return is forcing farmers and gardeners to adapt to their changing climate. The USDA Plant Hardiness Zone Map is the standard by ...

"We are seeing things change very rapidly. this region alone in the last twenty years has moved up two planting zones which is huge," said Meyer "We need to be thinking okay what is this tree ...