• Girdling roots were the better indicator. Photos courtesy of the author.
    August 15, 2024

    Pictures of browning needles and adelgids did not tell the full story. In early April 2023, I received a call from a Partners in Planting program board member I had served with. He was wondering if I would [...]

  • A tree crew with the city of Dubuque, Iowa, cleans up after a derecho passed through on July 15, 2024.
    August 1, 2024

    In a recent article I read, an 18-year-old was killed by a falling tree while cleaning up storm damage. How tragic! Injuries and death can happen to anyone. They happen to homeowners and professionals alike. We read about them [...]

  • ear
    July 8, 2024

    Photo by and courtesy of yunus-tug/unsplash. I’m not the man I used to be! At 67 years of age and retired, I still tend to try to work like the 30-year-old version of myself. My body tells a different story. [...]

  • October 1, 2022

    Hot off the press as of August 2022, Wood Decay Fungi Common to the Northeast and Central United States, 2nd Edition, by Christopher J. Luley, Ph.D., is now available at the International Society of Arboriculture (ISA) online bookstore. Most arborists [...]

  • October 1, 2021

    Dr. Alex Shigo I was on the Arborists Online Facebook page a while ago and came across postings from a couple of young arborists. They had just received their copies of Dr. Alex Shigo’s books, A New Tree Biology and [...]