Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

If you are looking for some new trees to plant that will draw more pollinators to your garden, choose the sassafras ...

Purple firespike is a flowering shrub that boasts dramatic tubular purple flowers ideal for drawing hummingbirds and ...

Garden experts share their favorite conifer tree species as well as the best tips for growing conifers in your backyard.

Dear Master Gardener: We would like to plant a large shade tree with beautiful fall color to add to our landscape. Is a ...

Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.

With few exceptions all the Sierra trees are growing in the park,—nine species of pine, two of silver fir, one each of Douglas spruce, libocedrus, hemlock, juniper, and sequoia,—sixteen ...

The researchers are developing an antimicrobial, self-sterilizing composite material derived from Douglas fir needles that is essentially a silver/chitosan bionanocomposite that can be used to safely ...

A new study found that to offset the planet-warming carbon emissions from fossil fuel reserves, trees would have to cover an area the size of North and Central America combined.