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Continuing Education For Arborists Workshops 2021

Thursday, May 27, 2021

Join us for our 2021 Continuing Education For Arborists Workshops


Fee is $60 per online workshop or a discounted rate of $650 for all 12 weeks

Online workshops are every Thursday from 7:00pm to 9:00pm starting May 27th and ending August 12th.

CEU Credits for the International Society of Arboriculture (ISA) and the Certified Nursery and Landscape Professional program (CNLP) have been requested for each online workshop. DEC Pesticide and Landscape Architect (LA) CEU credits have been requested for select workshops and is annotated in the course description. 

Participants that attend at least 8 of the online workshops will receive a Certificate of Completion for this Urban Forestry Education Series. A Certificate of Attendance can be provided for each of the online workshops as requested.

How Trees Grow - Introduction to Tree Biology

Thursday, May 27th 7:00 – 9:00pm

This workshop will provide a foundational understanding of tree physiology and what trees need to survive. Healthy trees are more resilient to drought, disease, and pests, and require fewer inputs from the property owner. We will learn how pest damage can inhibit tree growth, interfere with nutrient absorption, and quickly wreak havoc on an unsuspecting victim.

Urban and Community Trees and Soil Health

Thursday, June 3rd 7:00 – 9:00pm

Healthy soils play a large role in supporting trees and other plants by providing a source of water and other essential nutrients. This workshop will help to improve the understanding of soil health practices and assessment methods and increase familiarity with tools that can be used to make decisions related to soil health.

Tree Planting Basics

Thursday, June 10th 7:00 – 9:00pm

Planting trees throughout your community allows residents and visitors to enjoy the many benefits of urban trees. Since these type of projects can be a lot of work and sometimes costly, it is important to take steps to maximize the success of your newly planted trees. This workshop will cover proper tree selection, handling, planting techniques, and how to care for newly planted trees.

New and Young Tree Pruning and Care 

Thursday, June 17th 7:00 – 9:00pm

Proper pruning and management of young trees can provide the best foundation for the long-term health and longevity of your trees. This workshop will cover proper equipment that is needed, safety procedures, and best management practices when pruning new or young trees.

Tree Hazards and Risk Management; What Tree Owners Need to Know

Thursday, June 24th 7:00 – 9:00pm

Trees that are grown in public or private areas provide an increased quality of life in many communities, but may also serve as a liability to the property owner. The first step to mitigating a risk is recognizing and understanding it. This workshop will cover what types of risk that urban trees may pose, how to recognize a potential hazard, and

Native Trees; Urban and Backyard Environments for Wildlife

Thursday, July 1st 7:00 – 9:00pm

Urban trees are valued for the environmental services they provide, such as energy conservation, carbon sequestration, improving air quality, and storm water mitigation. Urban trees also provide essential habitat for insects, bird, small mammals, amphibians, and reptiles. All of these animal residents add to the ecological function of the urban forest and by welcoming birds, bats, and other insectivores, humans and trees alike benefit from the resulting insect pest control.

Fundamentals of Tree Identification

Thursday, July 8th 7:00 – 9:00pm

Properly identifying a tree is one of the first steps to making an informed decision regarding its care and maintenance. This workshop will help you understand the fundamental characteristics of woody plants that distinguish them from one another. Participants will learn to recognize native and ornamental trees of significant value by their branching structures, bark patterns, leaf shapes, and more.

Common Urban and Community Tree Problems

Thursday, July 15th 7:00 – 9:00pm

This workshop will cover some of the common pests and diseases of trees and shrubs. Learn how to recognize signs and symptoms, how to account for abiotic stresses, site constraints, and species type to analyze plant problems, as well as some preventable measures to keep plants happy and healthy. You will walk away knowing how to diagnose many everyday problems through specimen collection and research.

Avoiding Tree Sidewalk and Overhead Wire Conflicts

Thursday, July 22nd 7:00 – 9:00pm

Trees that are planted in the public right-of-way can add an appealing aesthetic to a community, but may inadvertently disrupt sidewalks, power lines and pose other maintenance concerns to municipal staff. Selecting the appropriate species for a street tree is the first step to avoiding costly repairs, however, there are also ways to mitigate the damages posed by existing street trees.

Mature Tree Care

Thursday, July 29th 7:00 – 9:00pm

Caring for mature trees is an important step to keeping them healthy and ensuring longevity. This workshop will cover the importance of regular inspections, proper pruning, mulching, soil management, tree support, lightning protection, tree hazards and risk management, protecting trees during construction and tree removal.

Establishing Tree Stewardship in Your Community

Thursday, August 5th 7:00 – 9:00pm

A successful community forestry program involves a diverse group of residents with an interest in caring for trees on publicly-owned property. This group works closely with professional foresters, arborists, city departments and residents to ensure that necessary tree care and maintenance is considered. The benefits of having a local tree stewardship program are immense, and having a clear set of objectives and operating procedures allows the process to run smoothly.

Effect of Invasive Species on Urban and Community Trees

Thursday, August 12th 7:00 – 9:00pm

This workshop will cover common invasive species that effect urban forests throughout the state. We will learn about invasive species that are commonly found across New York State. The class will cover details about each species, how it was introduced into our native landscapes, how to properly identify, why they are detrimental to native plants and trees, and how to manage the invasive species.


Choose which online workshop you would like to register for, and the total will be calculated for you.

To register, click on the Register button below to register and pay through PayPal. You do not need a PayPal account to continue and pay.

If you have questions, please contact Mike at or by calling 516-832-2591 Ext. 30

Cornell Cooperative Extension is an employer and educator recognized for valuing AA/EEO, Protected Veterans, and Individuals with Disabilities and provides equal program and employment opportunities.

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