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.

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.

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

Improving urban forests is one of the solutions to achieving several of the United Nations Sustainable Development Goals and making cities healthier and more livable for people.

This tree plan, not only comprises a history of trees that once stood in the Park and catalogues the trees currently standing, but also directs the succession and maintenance of the tree canopy that future generations of Park users will enjoy.

This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds.

As public gardens continue to place increased emphasis on sustainable landscape and operational strategies, learning to look to the sciences of ecology and natural areas management becomes of greater practical

Today the leaders of public gardens are faced with many difficult decisions related to climate change, membership and audience development, change in historic character, and maintenance. Necessary contemporary