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Featured Resource

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.

Resource
11/11/19
Food & Agriculture Community Webinar: Soil Health

Learn about how Denver Botanic Gardens Chatfield Farms is working to develop vegetable farming systems that eliminate synthetic fertilizers, increase soil water holding capacity, and stimulate soil microbial activity all while sequestering more carbon.

Resource
10/17/19
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.

Resource
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
Spotted Lanternfly: What Natura Areas Professionals Should Know about this New Invasive Insect

This webinar was brought to you by the Natural Areas Association.

Presented by Sarah Wurzbacher, Forestry Extension Educator, Penn State University.

Resource
9/13/19
A new pest: The spotted lanternfly

The spotted lanternfly (Lycorma delicatula) is an invasive planthopper native to China, India and Vietnam.  It was first discovered in Pennsylvania and has spread to other counties in the eastern United States.  This insect has the potential to greatly

Resource
9/13/19
The Landscape Architect in the Nursery: Tagging Trees and Enforcing Specifications

Tree defects such as co-dominant leaders, girding roots and buried trunk flares, present at time of planting, cause failures and decline long after the warrantee period has expired.  Landscape architects may go to nurseries to tag trees; but often inspe

Resource
9/12/19
Can We Vaccinate Trees to Protect Against Diseases?

Tree diseases are controlled primarily by spray applications of fungicides.

Resource
9/12/19
Climate Action Planning Webinar

Climate Action Planning is designed to help planners, municipal staff and officials, citizens and others working at local levels to develop and implement plans to mitigate a community’s greenhouse gas emissions and increase the resilience of communities

Resource
8/19/19

 

 
Quantifying Rainfall Interception in the Urban Canopy

Urban stormwater is a major contributor to surface water degradation in the United States, prompting cities to invest in green infrastructure - methods that naturally capture, store, and slowly release runoff, such as urban trees.

Resource
8/19/19

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