Question: I lost all 12 of my Leyland cypress trees to seiridium canker. I was told by an arborist that the disease spread via the ground, and that there wasn't anything I could have done to prevent ...

Here is a topic I want to revisit, since some good information has come to my attention: What is a good choice for an evergreen screen in the Napa area? I’ve written about the Leyland cypress problem ...

Here is a problem that has come up several times in recent months. Leyland cypress rows planted as windbreaks and visual screens begin to die back just as they get big enough to fulfill their intended ...