The jacaranda tree is fast-growing in a tropical environment, gaining about 10 feet a year in its first yea ... J. mimosifolia 'Bonsai Blue': Dwarf cultivar with deep purple blooms; ...

By the end of the century, Washington, D.C., could become too hot for trees that live in Zone 7 but not in Zone 8 — including Christmas tree species like Fraser firs and blue spruces.

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.

As climate change warms the Earth, plant hardiness zones are shifting northward. The U.S. Department of Agriculture has updated its plant hardiness zone map, which shows where various plants will ...