Pine Hollow Arboretum’s founder, John W. Abbuhl, began planting trees around his Albany, N.Y., home in the 1960s. He planted ...

Late last November, the United States Department of Agriculture (USDA) released an updated Plant Hardiness Zone map for the United ... of the long-term effects of climate change.

Climate change may be a factor ... showing that about half the United States had moved into a slightly warmer zone. The hardiness map is considered the gold-standard resource for understanding ...

As with the 2012 map, the new version has 13 zones across the United States and its territories ... are not necessarily reflective of global climate change because of the variable nature of ...

Comparing the 2023 map to the previous version from 2012 clearly shows that as climate change warms ... For example, the coldest hardiness zone in the lower 48 states on the new map, 3a, covers ...

If you look at the USDA climate zone or Sunset climate zone map, you will note that one zone is separated from the next by “average winter temperature.” Zone 1 has the coldest average winter ...