Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

A new study, published in the Proceedings of the National Academy of Sciences (PNAS), finds that black spruce trees — a key species on the boreal landscape for millennia — are losing their resilience ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Black Spruce. This species is found in bogs, wetlands, and sometimes dry sites within the North Woods of Upper ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the White Spruce. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

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: I have always loved the look of blue spruce, and I see many Maryland nurseries stocking them. I’ve heard that I should consider alternatives. Why? A: Every plant has something it can be vulnerable ...

It is so disconcerting to see a specimen tree going into decline. One of the prized oak trees in my yard appears to be declining, so I can relate to your concerns. Your description suggests that your ...