Climbing arborists and tree workers rely on the structural strength and stability of a tree’s branches, trunk and roots to support their weight and the forces associated with rigging operations. Failure of tree parts can result in uncontrolled falling [...]

Photo 1: Removing a tarp from beneath the mulch below a struggling pine to reduce stress and increase water to the soil. All photos courtesy of the author. I’ve had a number of consultations in Pleasant Ridge, [...]

“Botany for Arborists” is a compilation of revised articles that had been written for and published by Western Arborist Magazine. Cover photo courtesy of the author. I would recommend “Botany for Arborists” for all professional arborists wishing to [...]

Purcell’s latest book covers all relevant aspects of arboriculture based on current research and best practices, says reviewer Steven Pregler. As readers of TCI Magazine, we should all recognize the name Lindsey Purcell. Among the many articles he [...]

Dieback, as shown here, is one of the most telling symptoms of tree decline, almost always indicating a soil or root problem. Sometimes this is referred to as stag horning. Photo courtesy of the author. Many years ago, [...]