The University of Colorado Boulder has acquired a rare Wollemi pine tree, a tree species that lived alongside dinosaurs and ...

Norfolk Island pines decorated as small Christmas trees are frequently given as gifts over the holidays. With simple care, ...

It starts with the cones. They’re usually gathered in the wild, from whitebark pine trees several thousand feet above sea level somewhere in the West. The cones get shipped to the U.S. Forest ...

California’s drought and bark-beetle infestation killed more than 129 million trees between 2012 and 2016 in the Sierra Nevada. But amid the devastation stood some survivors. At the time, UC Davis ...

If you are inclined to prune your pine trees, now is the perfect time to do so. Most people don’t prune mature pine trees, but many prune mugho pines, which are more of a shrub. Pruning these keeps ...

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 ...

CU Boulder alumni Judy and Rod McKeever donate a tree once considered extinct to the EBIO greenhouse, giving students a living example of modern conservation Wally probably doesn’t know he’s a ...

PINE ISLAND — Joel Flemke can’t walk around town without being recognized. The 68-year-old Pine Island man is known for his greenhouse, which has been a staple of the community for decades. Joel's ...