MINNEAPOLIS -- WCCO's report on a White Bear Lake woman's giant cottonwood tree – one of the biggest in the Twin Cities – struck a chord with our viewers. It also begged the question: What are the ...

As the world warms, trees in such forests will no longer be adapted to their local climates. That’s where assisted migration comes in John H. Tibbetts, Knowable Magazine On a brisk September morning, ...

Oak trees around Minnesota have suffered from bouts of heavy precipitation and drought — conditions that make them more vulnerable to two-lined chestnut borer, a beetle that eats the inner bark of oak ...

ST. PAUL -- Minnesota's shifting climate is having an effect on its forests, with red maples encroaching up North and more pests invading in the southern part of the state, according to tree experts.

MINNESOTA, USA — The dry September is a far cry from the record rain the state had to start the summer and that has caused stress on Minnesota's trees. Experts say trees are having a difficult time ...

ST. PAUL -- With the threat of emerald ash borer potentially killing ash trees in Minnesota, homeowners must begin planning for the future and plant a more diverse selection of tree species in their ...

SUPERIOR NATIONAL FOREST — A few miles from Lake Superior, near the Caribou Trail, members of a tree-planting crew seem to hit rock wherever they aim their long-bladed hoedads. "We're just trying to ...

Pheromones from tiny beetles could help save Minnesota’s tamarack trees University of Minnesota scientists have identified the chemicals tree-killing beetles use to communicate. Those could be ...