Pine trees make needle drop easy to notice because they often have an open branching habit. Because pine needles grow — and fall — in bundles of two or more, the loss may be especially obvious.

The long needles cause a very tufted look to the tree canopy. Bark on the red pine is scaly and red-orange in color in younger trees and platy and reddish brown in older trees. Cones are egg-shaped, ...

Not every pine that has dead needles is infected with diplodia tip blight. “It’s normal for pine trees and other evergreens to lose some of their oldest needles every fall,” Yiesla said.

The red pine tree, found in North America, ... If the bark does not give its identity away, the needles most certainly can. Despite the red pine’s needles having a flexible makeup, they do snap when ...

Evergreen needles don’t last forever, and some trees lose their needles every single year! ... Austrian and Scots pine needles live for 3 years, red pine needles live for 4 years.” She said that firs, ...

White pine needles come in bundles of five and are much shorter — 2 to 4 inches long, usually. ... A red pine tree clings to rocks on Bristol Ledges. Photo by Audrey Clark.

Jack pine budworm might be the reason you’re seeing brown branches on jack pine trees, according to the Michigan DNR. Budworm caterpillars feed off needles on jack pine and red pine trees.

Shikimic acid can be removed from the needles of white pine, red pine and other conifer trees simply by boiling the needles in water, said chemistry professor Ray Fort Jr. Additional testing is ...

Have you ever wondered whether those sharp and pointy green leaves of pine trees are safe to eat or not? Here's everything you need to know about pine needles.

This week on ID That Tree, Purdue Extension forester Lenny Farlee introduces you to a non-native conifer that can be found throughout the state, the Red Pine. This species, which enjoys sandy soil, is ...

Do you have a mature pine tree with bunches of brown needles? It may be suffering from a fungal disease called diplodia tip blight. “Diplodia has become more common due to environmental stress ...