Plant Health Care Strategies

Arbor tape killing a healthy young sweetgum.

The Unfulfilled Promise of Urban Tree Planting

This is a utopian view from a commercial – and maybe somewhat jaded – arborist who has seen hundreds of examples of bad work. Luckily, I have not had to deal with bureaucracy, the pressure of town residents, low-budget bids or property managers with no loyalty. That said, my intention here is not to cast […]

Sonia J. Summers sketch, courtesy of W. Jim Cortese.

The Tree Stood Alone

Dr. Don Williams, former head of the Ornamental Horticulture Department, University of Tennessee, Knoxville, Tennessee, was a very demanding professor to his students. He was also a very wise individual and mentor to hundreds, if not thousands, of students and professionals in the green industry. It would be appropriate to say that he was a […]

correct PPE

Be a Pesticide-Compliance Superhero!

What is a pesticide-compliance superhero? A pesticide-compliance superhero has impeccably clean and organized storage areas, no outdated pesticides, stellar PPE and a knack for avoiding spray drift and unintentional exposure to non-target plants, humans and natural resources. They pass inspections with flying colors and are viewed as exemplary. In the PHC industry, this is pretty […]

The long tassels of the holly demonstrating pruning

American Holly Pruning

Pruning should always be a very specific process. The intent: What are you trying to accomplish? The timing: What time of year is best to accomplish your intent? The amount or dose: How much foliage can you remove without hurting the plant? How often will you need to prune this plant to achieve your goal? […]

Midwest pin oaks are dense

Pruning Pin Oaks Like a Boss

Back in November 2023, I caught up with Thomas Paine, CTSP, co-owner of Rooted Arbor Care in Warrenton, Missouri, on a job site in Missouri. He was tasked with inspecting a picturesque, healthy pin oak (Quercus palustrus) tree and performing a cleaning and pruning of it. It was a beautiful fall day just prior to […]

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