You are here
Featured Resource
Managing Tree Risk in Public Gardens: From Uncertainty to Understanding
This three-part webinar series was made possible through the support of The Davey Tree Expert Company. This series will help attendees understand the...
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...
Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These diseases are usually more severe on young trees or on trees growing outside of their natural range. Disease severity and corresponding...
The Morton Arboretum has released the results of its 2020 Chicago region tree census. Findings include the loss of an estimated 6 million ash trees, felled by the emerald ash borer. Chicago's canopy cover decreased from 19% to 16%, largely because of...
To repair ecological damage caused by construction, landscape managers typically apply restoration techniques - but what if these activities further damage the ecology? Invasive Phytophthora pathogens have been inadvertently introduced to...
Southern pine species such as loblolly, longleaf, shortleaf, and slash cover much of the
southeastern U.S., and are a critical component of the region’s economy. Loblolly pine is the
most widely planted species in the southeastern...
The emerald ash borer (EAB) is an exotic forest pest that has killed millions of ash trees in the
United States and Canada, resulting in an ecological disaster and billions of dollars in economic
losses of urban landscape and forest...
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...
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...
Prior to Workshop -
- Each registrant should read the attached Guidelines for Listing, Categorizing and Sharing Information on Plant Taxa Spreading from Cultivation at Public Gardens in North America (Guidelines).
...
In this first webinar in a two-part series, planners will learn about inventory tools and whole farm conservation planning approaches to enhance pollinator and other wildlife habitat. Specifically, we will give an overview of key pollinator habitat...
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. Oak decline occurs more commonly among red oak species, but white oaks are susceptible as...
This webinar was brought to you by the Natural Areas Association.
Presented by Sarah Wurzbacher, Forestry Extension Educator, Penn State University.
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...
Insect and disease infestations pose major threats to several North American forest tree species.
Scientists and managers from throughout the United States Forest Service developed a conservation priority-setting framework for forest tree...
Sunflower is a unique model species for assessing crop responses and adaptation to climate change. We provide an initial assessment of how climate change may influence the abiotic and biotic environment of cultivated sunflower across the world. We find...
The American chestnut, whitebark pine, and several species of ash in the eastern United States are just a few of the North American tree species that have been functionally lost or are in jeopardy of being lost due to outbreaks of pathogens and insect...
This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds. The presentation highlights how one might be able to use GIS at their public garden and some of the key features GIS...
Foresters and horticulturists should be aware of the risks of invasive species and should be updated on a regular basis regarding emerging pest threats. In the Pacific Northwest, many new potential threats to natural ...
