Morris Arboretum School of Arboriculture

These are challenging times for the communities responsible for maintaining a healthy tree canopy. There seems to be an alarming spread of blights, infestations, and extreme weather affecting our trees resulting in a diminishing tree canopy. Leafy, arching canopies of elm, ash, oak, and London plane trees over our streets and parks are declining. As …

Join your colleagues as we take a deeper look into the changing nature of the urban forest and discover some new options for successful canopy care. Our regional tree canopy grows and is supported by our knowledge, practice, and culture, as well as the impulse of nature itself. This conference explores how well some common …

Demand for native meadows, particularly as an alternative to lawn, is increasing, and yet few types of landscape plantings are more misunderstood, with many failures resulting from inadequate planning and the use of poorly adapted plants.  Far better results can be obtained when the plants and processes used reflect the ecological character of our naturally …

Philadelphia’s trees make our communities livable. They filter our air, regulate water flow, reduce carbon emissions, improve our mental health, and so much more. Unfortunately, our urban tree canopy faces a number of stresses and pressures, including pests and disease, storm events, residential development, climate change, and more. Join your colleagues for the 9th Annual …