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...

Several biotic and abiotic stressors, including insects, pathogens, and weather, can impact pine growth in the Southeast. Dr. David Coyle (Clemson University) will provide a general overview of identification, impact, and management strategies for pine...

This webinar will cover the biology, identification and management of invasive grasses in the southeastern U.S.

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...

A policy document developed to balance the public garden mission of holding diverse horticultural collections with the conservation mission of preserving natural areas and the broader environment.

Invasive plant introductions are increasing globally, and trends in human activity suggest these increases will continue. Although we know much about interactions between invasive herbaceous plants and arthropod communities, there is a dearth of...

Since a devastating fungal blight popped up in the Bronx Zoo in 1904 and went on to kill at least 3 billion chestnut trees, North American forests have been swept by one plague after another, including a fungus that kills elms and an aphidlike insect...

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...

Prior to Workshop  - 

1. 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).
    
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Emerald ash borer (Agrilus planipennis) was first discovered in southeastern Michigan in 2002. Accidentally introduced on solid wood packing material from Asia, EAB has since spread to nearly all states within the native North American range of its...

The past few months have highlighted the importance of parks and nature in cities. Urban natural areas are critical as refugia, protecting biodiversity and mitigating the impacts of climate change all while contributing to the health and wellbeing of...

The use of livestock to control undesirable vegetation is growing in popularity. However, less is known about the pros and cons of this technique in comparison to other management methods, such as herbicide, cutting, and burning. In this webinar, Dr....

We partnered with various federal, state, and private interests to evaluate the floristic composition at the Garden City Terminal of the Port of Savannah, Georgia, USA. We conducted the following study to demonstrate the collaborative relationship-...

In this webinar, originally held on February 12, 2020, project leads from the Public Gardens as Sentinels against Invasive Plants working group introduce and demonstrate the features of an online database to be used to share information about plants...

Streamside forests of urbanizing coastal regions lie at the nexus of global changes: rising sea
levels, increasing storm surge, expanding urban development, and invasive species. To understand
how these combined stressors affect forest...

This webinar will provide a general overview of the introduction, range, impact and possible management strategies for callery pear in the U.S. Callery pear is one of the most rapidly spreading invasive plants in the eastern U.S.  This plant stems from...

This webinar, originally held on January 22, 2020, describes the background of Public Gardens as Sentinels against Invasive Plants and describes recommended guidelines to help gardens develop and categorize lists of taxa escaping cultivation using a...

Public botanical gardens and arboreta are living museums and as such, their core missions
include the collection and display of herbaceous and woody plants from their local region or
from around the world. To fulfil this mission, gardens...

The purpose of these guidelines is to provide a consistent methodology for public garden staff to develop and categorize a list of cultivated taxa observed escaping from their locations of cultivation. The recommendations are meant to guide public...