We were pushing through head-high willows along a brushy caribou trail, five days into our week-long trek across Alaska's Noatak valley, when my hiking partner, Brad Meiklejohn, startled me with a ...

Q: What's killing Colorado blue spruce trees? My parents just had one cut down in front of their house, which made me start to take notice to others dying in the area. I have noticed dying spruces ...

The spruce budworm has experienced a population boost in the last few years, and students and scientists at the University of ...

Pruning spruce trees at the right time and with the right techniques can keep them healthy, beautiful, and safe for decades. Late winter to early spring is the ideal season to remove dead, diseased, ...

In recent years, most all spruce varieties have been having difficulty fighting off the fungal disease Rhizosphaera needle cast. This fungal disease causes premature death and casting of needles of ...

Female (left) and male spruce cones at the Arnold Arboretum. It's a more common sight to see separate male and female cones like this. (Courtesy William "Ned" Friedman) Every spring the conifer trees ...

You would think with all the rain we had this spring your trees would look healthy. Most do, but some trees in Fort Collins are dying — and it's not the emerald ash borer killing them. There's another ...

EAGLE, Mich. (WJRT) - A towering 60-foot Spruce tree from Eagle in Clinton County has been selected as the official Michigan Christmas tree for 2024. The tree was donated by Rich and Dorcas Albertson.