The 2023 USDA Plant Hardiness Zone map, which was generated based on weather data gathered from 1991 to 2020, indicates that about half the United States moved into a warmer zone.

MONSON — Lake Stewards of Maine will host a live plant identification workshop at the Monson Community Center from 1-4 p.m.

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 ...

PORTLAND, Maine (AP) — Maine forestry officials are planning a wide expansion of quarantine zones to try to prevent the spread of three invasive forest pests that pose threats to the state’s timber ...