The first known photo of the Black Gum tree, from 2016. The note in the database from this tree inspection reads: “Poor quality tree – recommend removal.” Photo from Google Street View. One of the main goals of [...]

Timothy M. Walsh, CTSP. Like most of us, I didn’t enter arboriculture chasing credentials. I entered because I loved the work: the pace, the responsibility, the crews and the satisfaction of doing difficult work well. But over time, [...]

Cover of “The CODIT Principle: Tree Biology and Arboriculture, Second Edition." Photo courtesy of the International Society of Arboriculture (ISA). In the August 2017 issue of TCI Magazine, I reviewed Dirk Dujesiefken and Walter Liese’s “The CODIT Principle: [...]