In gardens where woody plants abound, arborists are key members of our horticultural teams- whether they're on staff full time or consult as needed. They help to care for sick trees and damaged trees, but they also keep healthy trees healthy...and so...

Learn about all things Public Garden – the quarterly journal of the American Public Gardens Association produced by Association members for Association members. 

Join Association Staff and the Chair of the Editorial Advisory Group (EAG...

Many species of birds, bees, and other pollinators face a precarious future in our urbanizing landscapes. Biodiversity is threatened at local to regional scales by habitat degradation. But there is some hopeful news: homeowners, individuals,...

The legacy of institutional racism including redlining and other discriminatory policies have paved the way for an urban landscape that is deeply divided. Too often, a map of tree canopy is also a map of income and race, with corresponding public...

Choosing an appropriate tie-in point (TIP) is a key to efficiently and safely work in a tree. A TIP that’s high and central in the crown provides maximum mobility for a climber, but the TIP also has to be strong enough to bear the loads associated with...

Before you can manage your woodlands, you have to have a good idea of what your land is like, what has been there before and what you want to do with it. In this presentation, learn how you can assess your woods, including past land use, current...

Diverse perspectives and approaches to learning and knowing can strengthen our work in urban and community forestry. Indigenous and local knowledge is embedded in the concept of biocultural stewardship - an approach to working with communities...

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

Lindsey Purcell, Urban Forestry Specialist – Purdue University, as he outlines examples and case studies regarding tree appraisal in the urban environment. 

Tawny Simisky, UMass Extension Entomologist, will discuss the frequently seen insect pests of trees & shrubs in the landscape during the 2020 growing season. This presentation will provide tips and tricks for diagnosing insects in the field as well...

Jennifer Byerly, Project Learning Tree, will discuss how social media platforms like Twitter, Instagram, LinkedIn and Facebook offer arborists the opportunity to foster an interest in, and awareness of, urban trees. 

Forrest Bowlick, Ph.D., Univ of Massachusetts, introduces and outlines the science and practice of digital map-making and spatial techniques for arborists & urban foresters. 

Diameter at Breast Height (DBH) is an enormously important metric for foresters, arborists, researchers, contractors, and the general public. With single-stemmed species, it is used to estimate timber volume, biomass, ecosystem services, and...

To keep pace with the increasing impacts of climate change, people across the country are planting more and more trees. But how will you track these trees to make sure you get the optimal return on this investment of time and resources? Join us for a...

Field monitoring of urban trees is essential to learn how urban forests change over time. Many arborists and urban forest managers worldwide seek to understand how their tree systems are faring in terms of growth, health, and mortality. The Urban Tree...

Trees grow with, and adjust to, large lateral and vertical loads caused by wind and gravity. Storms with strong winds and ice can push trees beyond their ability to reconfigure or fall back to reduce drag. Exceeding tree structural ice and wind load...

Trees constitute the foundation of our natural ecosystems and contribute considerable value to the economy. Emerging infectious diseases, such as the chalara fungus (Hymenoscyphus fraxineus) that infects ash (Fraxineus excelsior), are destroying tree...

With increased intensification in cities throughout the world, urban trees are often at risk of becoming damaged by construction impacts, such as utility trenching or pavement / sidewalk repair. If the damage is severe and a tree loses a lot of its...

Across the country, a number of cities are setting ambitious tree canopy goals to fight the trend of a decline in tree canopy. Among the many causes of canopy loss, development is a key driver, and is one that communities can significantly influence...

The results of 14 years of monitoring ash mortality and forest ecosystems in Ohio and Pennsylvania show how EAB has impacted these landscapes. Rare “lingering” ash trees have been identified and studied to understand long-term survival prospects for...