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 ...

A few years ago, Leyland cypress was considered the perfect shrub for crowded urbanites. Unfortunately, these shrubs have become overplanted, sharing the same fate as red-tipped photinias and Bradford ...

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 ...

A homeowner in my neighborhood here in Napa contacted me with a concern about an evergreen tree in his front yard. He prizes it for the screening it provides and for its year-round greenery. The tree ...