Shop Christmas trees now and plant them after the holidays; see top picks like Arizona cypress, Deodora cedar and Aleppo pine ...

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to ...

Longleaf pine conservation is considered a key part of climate resilience for Florida and the Southeast. But when it comes to climate change, longleaf pines are not out of the woods. Drip torch in ...

The Longleaf Alliance and NC State Tree Improvement Program work to restore the species across the South through selective ...

When looking for a unique holiday tree this season, consider adding a plant you can enjoy now and throughout the year.

Don Becker/U.S. Geological Survey When a bark beetle outbreak started killing off decades-old pine trees in a research forest in western Montana, Forest Service researcher Sharon Hood made the best of ...

The genus Pinus is the largest group of conifers, and it is made up of pine trees. There are nearly 90 species of pine trees found throughout the globe, many of which have value for lumber, pulp, ...

It’s opening week for five area Christmas tree farms that offer the experience of choosing and cutting a tree straight from ...

If you bought a live pine tree for Christmas, you may be thinking about planting it in your yard. Here in Tucson we are in Sunset Zone 12. Most pine trees that do well in our desert are imports from ...

Gnarled, dead bristlecone pine trees, which can live more than 5,000 years, stand where young limber pine grow around them. Limber pine is beginning to colonize areas of the Great Basin once dominated ...