April is Arbor Month and a new five-minute video produced by the Iowa DNR aims to help residents learn to properly plant trees and avoid very common mistakes—vital to the longevity of new plantings. Common errors such as planting roots too deep or too...

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...

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...

The Earth's climate is changing. Impacts - including higher temperatures, rising sea levels, and longer periods of extreme weather - are...

An ever-growing, international body of research points to many human health and wellness benefits that result from nearby nature experiences. But what about trees? Two recent reviews have explored, first, the studies that focus on the urban forest and...

While green stormwater infrastructure increases in popularity, we are still learning about the role of trees in these innovative practices. In this webinar, Andrew Tirpak will discuss recent research results from studies designed to characterize the...

The evidence is mounting around the compounding benefits of the urban forest. We know trees in cities clean air and water, reduce energy demands, and improve the people's overall quality of life. Yet, tree failure may have serious negative consequences...

Inclement weather, particularly severe thunderstorms and wintry precipitation, is a major cause of damage to urban forests. In this webinar, we will learn how inclement weather impacts trees and how we can create storm-resilient urban forests through...

Trees provide significant benefits to our homes and communities, but they may also become liabilities when they fall or break apart, causing property damage, personal injuries, and power outages. Learn how to inspect trees by identifying 7 of the most...

Learn about how to evaluate sites that are ideal for urban tree health and growth and resources and tools on how to better assess these sites. 

Check out this exciting webinar that covers which cities around the world are considered "green" and have a significant amount of green spaces and forest cover and what impact that is having on the economy, people, and environment. 

Check out this exciting webinar that covers the impacts trees in urban areas can have on climate change and the role they can play in mitigating adverse impacts. 

New research shows that trees communicate with one another and share nutrients through their roots! They need each other. In urban areas, trees also help us with health, economic and social benefits. They are part of our culture. We need them. So...

In collaboration with the band Flobots, Denver Botanic Gardens created a fun educational video on the impacts of the invasive Emerald Ash Borer.