Comparing the 2023 map to the previous version from 2012 clearly shows that as climate change warms the Earth, plant hardiness zones are shifting northward. On average, the coldest days of winter ...

"In many cases, we can utilize the labeling on the plants and the USDA climate zone map ... "What do these maps tell us?" Becker asked. "The hardiness zones are determined based on the average ...

With Tennessee's diverse landscape and climate, there are multiple different growing zones, or plant hardiness zones, in the Volunteer State. These zones, designated by the U.S. Department of ...

This shift could transform plants from carbon sinks to carbon sources, potentially accelerating climate change. Photosynthesis begins to fail between 40-51 °C, with 60 °C being a critical ...