Wednesday, November 29

8:30 am–4:15 pm

Pre-Conference Workshop: The 10th Edition of the Guide for Plant Appraisal
James Clark, Ph.D, RCA#357, HortScience, Inc.
E. Thomas Smiley, Ph.D., RCA #635, Bartlett Tree Research Laboratories
Mark Duntemann, Natural Path Urban Forestry Consultants

Anticipating the release of the Guide for Plant Appraisal, 10th edition, sometime in 2018, take advantage of this full-day workshop taught by two representatives to the Council of Tree and Landscape Appraisers. Starting with appraisal concepts and the appraisal process, this session will focus on the cost approach—from field data collection to applying methods and techniques. Income and sales comparison approaches and methods will be discussed. → Learn More

Thursday, November 30

8:00 am–8:15 am

Chris Ahlum, RCA #465, ASCA President, Ahlum & Arbor Tree Preservation

8:15 am–9:15 am

An Armchair Journey of Conifer History and Success
Michael Kauffmann, Backcountry Press, Bigfoot Trail Alliance

Washington, Oregon, and California nurture one of the richest assemblages of conifers on Earth. With 65 species, the diversity accounts for 10 percent of that in the world. Michael Kauffmann has explored the environments where each of these conifer species live in an attempt to better understand the ecology of the Pacific Slope. → Learn More

9:30 am–11:00 am

Branch Unions: A Unique Design
Ed Gilman, Ph.D., University of Florida

This is an in-depth scientific and practical discussion about the design and implications of one of the most misunderstood parts of woody plants. Topics include the biology and mechanics of branch and stem removal, the influence of aspect ratio on development of protection zones, union strength, branch removal cut location, and dysfunction, among others. → Learn More

11:00 am–Noon

Native vs. Nonnative Trees: Comparative Impacts on Landscape Biodiversity
Linda Chalker-Scott, Ph.D., Washington State University

This presentation will summarize the current science regarding the effects of native and nonnative tree species on urban landscape stability. A more practical approach than simply mandating more native species will be suggested. → Learn More

12:15 pm–1:15 pm

Lunch and First-Timers Lunch

1:30 pm–3:00 pm

Better Than a Diameter Tape in Your Pocket: Tech Tools to Change Your Day
Beth Ziesenis, Your Nerdy Best Friend

You’d never leave your diameter tape at home when you go out to the field for a project. Do you know that your smart device is actually your most valuable tool? From the time you wake up to the time you go to bed, your smart device should be working for you to make your life easier and your business more profitable. This fast-moving session takes you hour by hour through a day in the life of a tech-savvy Consulting Arborist. You'll learn how a professional solves a security crisis before 10 am, learns to make more of a lunch hour with an extra set of virtual hands, saves money on software before the staff meeting, and brings the team together online before the day is done.

This may be the most critical session of the conference to move your business forward! → Learn More

3:15 pm–4:15 pm

10th Edition of the Guide for Plant Appraisal
Jim Clark, Ph.D., RCA #357, HortScience, Inc.
This session will provide an overview of the Guide for Plant Appraisal, 10th edition, including concepts, process, and approaches. → Learn More

4:30 pm–6:00 pm

Roundtable Discussions
Take advantage of the experience and expertise available at the conference by participating in roundtable discussions focused on topics of interest to Consulting Arborists.

6:15 pm–7:30 pm

Networking Reception

Friday, December 1

8:00 am–9:00 am

The Power of Storytelling
Scott Steen, FASAE, CAE, CEO, American Forests

During this session, you will learn about the elements of a story, discover principles of effective storytelling, and explore how Consulting Arborists might use stories to become better overall communicators. → Learn More

9:15 am–10:45 am

Tree Response to Storm Damage
Ed Gilman, Ph.D., University of Florida

Wind, snow, and ice combine with poor structure to cause annual tree and facility damage. This presentation will discuss tree architecture associated with damage, examine pruning strategies for storm-damaged trees that can dramatically improve tree architecture and reduce risk, and review sprout management (not removal) to improve branch structure. → Learn More

11:00 am–12:30 pm

Trees, Water, and Health: Green Infrastructure Co-Design for Co-Benefits
Kathleen Wolf, Ph.D., University of Washington, College of the Environment

This presentation will focus on the latest research about the urban forest as a strategy in stormwater management for local communities.→ Learn More

12:30 pm–1:30 pm


1:45 pm–2:45 pm (Concurrent Sessions)

Adam H. Dittman, Stoel Rives LLP
Alyssa M. Petroff, Stoel Rives LLP

This session will provide an overview of principles and best practices for drafting effective consulting agreements, with a view toward reducing the consultant’s risks and avoiding common mistakes. → Learn More

1:45 pm–2:45 pm (Concurrent Sessions)

i-Tree: Tools for Consulting Arborists
Scott Maco, The Davey Insitute

This presentation will provide an overview of the i-Tree applications and their implementation, model inputs and outputs, and limitations that Consulting Arborists must understand before putting the tools into practice. → Learn More

3:00 pm–4:00 pm (Concurrent Sessions)

Report Writing: Providing Clear, Concise, and Useful Reports to Your Clients
Denice Britton, RCA #296, California Tree and Landscape Consulting, Inc.

This presentation will discuss the types of reports that Consulting Arborists commonly use in their work as well as the basic elements that should be included in each type of report. Specific examples will be presented to clarify the choices of format, style, and voice for the report. The types and presentation of supporting documents will also be included. → Learn More

3:00 pm–4:00 pm (Concurrent Sessions)

Case Capsules
Carl Mellinger, RCA #620, Mellinger Tree & Landscape Service LLC
Donald Godi, RCA #444, Donald H. Godi & Associates, Inc.

Always an ASCA favorite! Each presenter will offer a 15-minute case study followed by time for questions from the audience. → Learn More

4:15 pm–5:15 pm

Being an Expert in a Lawsuit: What Does the Lawyer Want From You?
Michael B. Gillett, The Gillett Law Firm

Michael Gillett will discuss the role of consulting and testifying experts in the different stages of a lawsuit based on his five rules for experts. → Learn More

Saturday, December 2

7:45 am–8:30 am

Business Meeting

  • SUFC Update
  • A300 Update
  • CTLA Update

8:45 am–9:45 am

Expert Testimony—Tips From the Bench
Honorable Stephen K. Bushong, Circuit Court of Multnomah County

Judge Stephen K. Bushong, an experienced trial judge and, before that, an experienced trial lawyer, will offer some tips on testifying effectively as an expert. → Learn More

10:00 am–11:00 am

In-Field Soil Assessment for Urban Trees
Bryant Scharenbroch, Ph.D., University of Wisconsin

Soils have a major influence on urban tree health. The ability to quickly and accurately assess soils in the field is an important skill for arborists. In-field soil assessments allow arborists to quickly diagnose tree-soil issues, identify high-quality planting sites, and assess the efficacy of soil management activities. This presentation will discuss the major soil physical, chemical, and biological properties important for soil quality.→ Learn More

11:15 am–12:15 pm

Case Capsules
James Komen, RCA #555
David Hunter, RCA #408

Always an ASCA favorite! Each presenter will offer a 15-minute case study followed by time for questions from the audience. → Learn More