An old grouping of large blue spruces in my front yard has been continuing to decline in health over the last few years with lower branches dying first and then progressing up the tree. What can I do ...

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 ...

Bagworms are not the only issue we are seeing in evergreens. While insecticides for bagworms should not be applied until June, April and May are the months to apply fungicides for control of the ...

The National Park Service collaborates with Forest Service on new tree for National Christmas Tree Lighting. (Courtesy NPS/Kelsey Graczyk) The new National Christmas Tree made it to the Ellipse at the ...