Author: Mark Koehler

As you all know, I am a certified master arborist and am offering my consulting services to anyone here in the Westside. Currently, I work with other arborists as far south as Fresno and Monterey Counties. These are levels of...

Hello again, Westside Gardeners! As you all know, I truly love my profession as a certified master arborist. When I go out for a risk tree assessment, it isn’t a gut feeling but a systematic process based on biology, physics and...

Hello again Westside Gardeners! Most urban green spaces today are under intensive maintenance practices, including mowing and/or chemical inputs, among many other practices. Much research on my side has me questioning the...

(Editor’s note: Several readers wanted to know more about the Garden Guru’s background. In response, Mark Koehler has written this column today.) Hello again Westside Gardeners! Most of you already know of me and my extensive...

Hello Westside Gardeners! Most recently, I was asked to come up with some ideas for a hedge line. This site was on a local suburban farm. The location for the hedge ran from the back of a barn to the neighbor’s fence line. I...