School of Arboriculture

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Increase your tree and landscape knowledge! The Arboretum's Professional Courses, offer CEUs for arborists and landscape architects, and keep you at the forefront of your profession. These courses are open to professionals and novices, and are all taught by national leaders in their field of expertise.

Certified Arborists: Our courses carry International Society of Arboriculture Continuing Education Units (CEUs). If you are an ISA certified arborist and need to maintain certification by taking 30 credits over a three-year period, the following classes offer the opportunity to gain CEUs while learning from field experts.

Landscape Architects: Many courses are Pennsylvania CE certified.  If you are a Landscape Architect in Pennsylvania, specified courses will help you meet the requirements of the necessary course time of 24 clock hours / 2 years.

Register for classes below!



Select the class(es) for which you wish to register:

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Quantity and Pricing
Fundamentals of Soil Science
Dr. Rex Bastion - Regional Technical Advisor, Davey Tree Expert Company/The Care of Trees
Mark Highland - Founder, The Organic Mechanics Soil Company

We have always known that soil is extremely important for growing plants. It is estimated that 80% of the problems we see with urban trees originate from improper soil conditions. Until recently we primarily considered the chemical and physical components of soil like texture, pH, compaction, and nutrient levels. The latest findings show that the living components of soil are at least as important as the chemical parameters. With the help of soil bacteria, fungi, protozoans, and other living
creatures, we can create greener landscapes and reduce our reliance on petroleum-based fertilizers and chemicals. This course carries 5.75 CEUs for ISA certified arborists (S=3.75, P=1, M=1),
and 6 CEUs for landscape architects.

Thursday, March 30
9 a.m. - 4 p.m.
Thursday, March 30, 2017 at 9:00 AM
Attendees: 1 $ 135.00 ea.

Caring for Mature Trees
Dr. Rex Bastion - Regional Technical Advisor, Davey Tree Expert Company/The Care of Trees
Robert Wells - Associate Director, Arboriculture Outreach

Learn how to care for aging trees and the changes that occur as trees age Trees, like all living things, survive through the transfer of energy. This transfer occurs both within the tree itself, as well as between the tree and its environment. Far from being static processes, however, energy relations are highly dynamic, constantly changing as trees age, decline, and die. The astute arborist should be aware of these changes, so as to provide the best advice and management recommendations to his or
her clients for the care of older trees in the built landscape. Rex joined The Care of Trees in 1989 after receiving his Ph.D. from Iowa State University, majoring in Entomology. He is a Regional Technical Advisor with the Davey Tree Expert Co./The Care of Trees, with emphasis on education and training, public relations, and diagnostics. He is an International Society of Arboriculture Board Certified Master Arborist and currently serves on the ISA Board Certified Master Arborist Test. This course
carries 5.75 CEUs for ISA certified arborists (S=3, P=.75 M=2).

Friday, March 31
9 a.m.- 4 p.m.
Friday, March 31, 2017 at 9:00 AM
Attendees: 1 $ 135.00 ea.

Insect Pests of Woody Plants
Richard Buckley - Director, Plant Diagnostic Laboratory, Rutgers University

Richard Buckley, a plant pathologist at Rutgers University, will focus on the most important insects and mites that pose a threat to landscape plants. You will learn about insect pests that are most prevalent in our region and discuss how to identify them and the damage they cause. Richard will bring you up to date on best management practices. He will also discuss the latest findings on Chinese lantern fly, Viburnum leaf beetle, emerald ash borer, and walnut twig beetle as well as several other new invaders. This course carries 5.75 CEUs for ISA certified arborists (S=3, P=1, M=1.75).

Tuesday, April 11
9:00 a.m. - 4:00 p.m.
Tuesday, April 11, 2017 at 9:00 AM
Attendees: 1 $ 135.00 ea.

Emerald Ash Borer: Controlling the Spread
Joel Spies - President, Rainbow Treecare Scientific Advancements
Shannon Herbst - Mid-Atlantic Territory Manager, Rainbow Treecare Scientific Advancements

The spread of emerald ash borer (EAB) into Eastern Pennsylvania and New Jersey is a major challenge and opportunity for Philadelphia area arborists to preserve worthwhile ash trees in the landscapes we manage. One of the most efficient and environmentally safe methods of pesticide application is microinjection technology that allows you to apply systemic products to targeted trees in a responsible manner. Microinjection is also an effective way to deliver a host of other fungicides and plant health care products. A key factor in achieving safe and effective applications is a thorough understanding of the injection techniques and products that are available. This one-day workshop will provide you with a background in microinjection and an overview of all of the available products and equipment on the market. You will have a hands-on opportunity to practice an application on an ash tree. This course carries 5.75 CEUs for ISA certified arborists (S=2, P=1.75, M=2).

Friday, April 21
9 a.m. - 4 p.m.
Friday, April 21, 2017 at 9:00 AM
Attendees: 1 $ 135.00 ea.

2017 Morris Arboretum · 100 E. Northwestern Avenue, Philadelphia, PA 19118 · 215-247-5777