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Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).

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12/12/19
Why Are Trees Important? Human Health and Economics

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?

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11/25/19
Conifer Care

Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.

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11/14/19
Emerald Ash Borer Update

Nate Siegert, Ph.D., USDA Forest Service, discusses the latest information pertaining to the Emerald Ash Borer (EAB) and its continued spread across the urban forests of the U.S. and Canada.

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11/11/19
Bartlett: Mulch Application Guidelines

Mulches provide many benefits for trees and shrubs.

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10/15/19
Vulnerability to climate change of islands worldwide and its impact on the tree of life

Island systems are among the most vulnerable to climate change, which is predicted to induce shifts in temperature, rainfall and/or sea levels.

Resource
10/14/19
Oak decline in the United States

Oak decline is a slow-acting disease complex that involves the interaction of biotic and abiotic factors such as climate, site quality and advancing tree age.

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10/14/19
Breeding and Restoring the Next Generation American Elm

Iconic tree species include those native trees that once dominated the typical American city landscape. The American elm and chestnut are the first two that come to mind, and now ash trees are similarly under significant threat of loss.

Resource
9/26/19
Lean on Me: Recommendations for Heritage Tree Support at the Morris Arboretum

The history of the Morris Arboretum can be told through its eldest trees. Every scar and abnormality present on these immense specimens inspire awe, enrich visitor experience, and provide a glimpse into the past of the gardens.

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9/16/19
Finding Urban Trees for a Changing World

Trees planted in cities face many survival challenges, but when they thrive they make our cities healthier, less hot, and more beautiful.

Resource
9/12/19

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