With over 73,000 tree species existing in the world ... The needles are the primary distinction between other pines, ...

Is there any truth to the claim that pine needle mulch makes soil more acidic, or is it a myth? We looked at the science of ...

A swarm of destructive wasp-like insects is spreading fast, and it could mean bad news for pine trees, holiday traditions, and your backyard.

During New York’s 11th annual Invasive Species Awareness Week, arborists and specialists are advising residents of the dozens of invasive species that exist right in the Capital Region.

But there is one tree that the DEC shared an announcement about in January — the Red Pine. According to Liam Somers, a forest entomologist with the NYSDEC Forest Health Research Lab, an invasive ...

The Pennsylvania legislature designated the eastern hemlock the official state tree on June 22, 1931.This tree thrives in cool, moist sites. It occupies steep north- or east-facing slopes in ...

Learn how to spot the most common North American trees with pictures and tips for identifying leaves and needles.

A lot to love The longleaf pine is, of course, distinguished from other pines by its needles, which are typically 8- to 12-inches long, though they can be much longer.

It may have been a little smoky in the Distillery Hill area of Breckenridge on Tuesday as crews worked to complete pile burns and remove dead timber killed by the last pine-beetle outbreak.

People that see dead or dying red pine trees with “wool” around the base of the needles, are being asked to send photos and location info to [email protected].

Red pine scale was first found in North America in 1946 in Easton, Connecticut, and on Long Island in 1950. In the next couple of decades it killed all the red pine trees south of Westchester County.