Purdue Landscape Report: Colorado blue spruce is not native to Indiana (no spruce is!), and it often suffers from environmental stresses such as drought, excessive heat, humidity, and compacted or ...

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 ...

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 ...

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 ...