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 ...

Q: I read your column every week. The question I have concerns a blue spruce hedge. The hedge runs along the side of our property that stretches about 50 metres containing about 30-40 trees. They were ...

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 a question I am hoping you can help me with. We have four very large blue spruce in our front yard. During the last few years the bottom branches having begun showing a lot of bare spots and ...