- Virginia Beach, Virginia. What's New in the ANSI A300 Pruning Standards. Mid-Atlantic Horticulture Short Course. January 16, 2018.
- Virginia Beach, Virginia. Life in the Rhizosphere: A New Perspective on Soil Health. Mid-Atlantic Horticulture Short Course. January 17, 2018.
- Virginia Beach, Virginia. Working with Ecology to sustainably Manage Utility Rights-of-Way. Mid-Atlantic Horticulture Short Course. January 17, 2018.
- Virginia Beach, Virginia. An Overview of the New Arboriculture Industry's Tree Risk Assessment Qualification Program. Mid-Atlantic Horticulture Short Course. January 18, 2018.
- Danville, Virginia. Radical Gardening: Doing things that would drive my college professors crazy. 'Spring to Green: Gardening for Southside.' Danville Master Gardener Association's Convention. Feb. 3, 2018.
- Danville, Virginia. Trees and Turf: An Antagonistic Relationship. 'Spring to Green: Gardening for Southside.' Danville Master Gardener Association's Convention. Feb. 3, 2018.
- Warm Springs, Virginia. From Seed to Herbal Medicine: A Year’s Journey to the Heart of What Really Matters. Salon Series Lecture. Warm Springs Library. February 13, 2018.
- Monterey, Virginia. Composting to restore soil health. Highland County Library. February 25, 2018.
- Glasgow, Virginia. Composting to restore soil health. Rock bridge Regional Library Spring Lecture Series. Glasgow Library. February 27, 2018.
- Lexington, Virginia. Composting to restore soil health. Lexington Library. Rock bridge Regional Library Spring Lecture Series. March 8, 2018.
- Gaithersburg, Maryland. Arborist Certification Course. Mid-Atlantic Chapter of the International Society of Arboriculture. March 13-15, 2018.
- Lynchburg, Virginia. Tree Risk Assessment Qualification Renewal Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. March 26, 2018.
- Richmond, Virginia. Tree Risk Assessment Qualification Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. March 28-30, 2018.
- Warm Springs, Virginia. Composting to restore soil health. Rock bridge Regional Library Spring Lecture Series. Warm Springs Library. April 3, 2018.
- Richmond, Virginia. Arborist Certification Course. Mid-Atlantic Chapter of the International Society of Arboriculture. May 15-17, 2018.
- Allegheny Mountain Institute, Highland County, Virginia. Daylong intensive workshop of trees and tree care for the Phase I Fellows. June 6, 2018.
- Lexington, Virginia. Insects: Did you know...? Rockbridge County Master Gardeners. June 9, 2018.
- Armstrong, Virginia. How's that war on weeds going? Warm Springs Garden Club. June 21, 2018.
- Blacksburg, Virginia. Zen and the Art of Composting. (Keynote) Virginia Tech. Master Gardener College. Virginia Cooperative Extension.June 22, 2018.
- Blacksburg, Virginia. As above, so below: How much of a plant expert can you be without an awareness of soil health? Virginia Tech. Master Gardener College. Virginia Cooperative Extension.June 22, 2018.
- Chimney Run, Virginia. How's that war on weeds going? Hot Springs Garden Club. June 25, 2018.
- Allegheny Mountain Institute, Highland County, Virginia. Daylong intensive workshop of trees and tree care for the Phase II Fellows. June 28, 2018.
- Gaithersburg, Maryland. Tree Risk Assessment Qualification Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. July 17-19, 2018.
- Gaithersburg, Maryland. Tree Risk Assessment Qualification Renewal Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. July 20, 2018.
- Reston, Virginia. Arborist Certification Course. Mid-Atlantic Chapter of the International Society of Arboriculture. August 21-23, 2018.
- Frederick, Maryland. As above, so below: How much of a tree expert can you be without an awareness of soil health? (Outdoor Workshop) Mid-Atlantic Chapter of the International Society of Arboriculture Annual Meeting. October 8, 2018.
- Harrington, Delaware. As above, so below: How much of a tree expert can you be without an awareness of soil health? (Outdoor Workshop) 8th Annual Arborist and Tree Care Seminar. Delaware Forest Service. October 10, 2018.
- Waynesboro, Virginia. No Tree Is An Island. Shenandoah District, Virginia Federation of Garden Clubs. October 12, 2018.
- Lexington, Virginia. No Tree Is An Island. 2+ Hour Walk & Talk. Boxerwood Garden and Nature Center. October 20, 2018.
- Portland, Oregon. How Rudolf Steiner’s Agriculture Lectures can help us see the forest for the trees. North American Biodynamic Conference. November 14-18, 2018. (presentation date TBA)
- Gainesville, Virginia. Tree Risk Assessment Qualification Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. November 27-29, 2018.
- Gainesville, Virginia. Tree Risk Assessment Qualification Renewal Training and Exam. Mid-Atlantic Chapter of the International Society of Arboriculture. November 30, 2018.
- Charlottesville, VA. Arborist Certification Course. Mid-Atlantic Chapter of the International Society of Arboriculture. December 10-12, 2018.
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