Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help ...

As the weather warms up, think about adding these Shade Trees that can not only handle high temperatures, but cool down your ...

Willow leaves are usually a solid variety of green, though some, such as the dappled willow, have a mixed coloring that includes shades of white ... in the world. Elm trees have leaves that ...

Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient ...

The number of beetle-infested trees in Elk Meadow Park is triple what it was in 2024. Denver7 is highlighting the crews who ...

Painting a young tree trunk white helps reflect sunlight, which prevents the tree’s bark from getting too much sun. Even though a tree may grow well in full sun, it’s more vulnerable to ...

A city's tree ... elm trees will be injected with a biological vaccine called DutchTrig. It contains a type of fungus which prompts a defensive response to elm disease, which is spread by the elm ...

The chestnut blight wiped out that beloved tree, whose nuts nourished us and whose bark tanned our leather. Dutch elm disease nearly ... has all but destroyed the white ash, which lined our ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already ...

An American elm tree that predates the Civil War was cut down this week. The tree has stood on the grounds of the First Presbyterian Church 1793 since the first church building was constructed in 1851 ...