The grounds were originally the private summer residence of John T. and Lydia Morris, who began developing the estate in 1887.
The Fernery underwent a complete restoration in 1994 to preserve its unique, climate-controlled Victorian structure.
The arboretum serves as a Living Laboratory, facilitating ongoing botanical and environmental research for the University of Pennsylvania.
The canopy walk 'Out on a Limb' is designed to be fully ADA accessible, allowing visitors of all mobility levels to reach the tree canopy.
It is an accredited museum through the American Alliance of Museums, recognized specifically for its botanical collections.
The site hosts a famous annual 'Garden Railway' display featuring miniature landscapes and buildings constructed entirely from natural materials like bark, twigs, and leaves.
The grounds contain a collection of stone sculptures and follies installed by the original owners, including a Japanese-inspired hill and pond garden.
The arboretum maintains an extensive herbarium with specimens dating back to the late 19th century.
Morris Arboretum is the official arboretum of the Commonwealth of Pennsylvania, spanning 92 acres of historic gardens and woodland. It functions as a research institution affiliated with the University of Pennsylvania, housing a collection of over 12,000 woody plants. The site features the 'Out on a Limb' canopy walk, which elevates visitors 50 feet into the treetops via a series of metal bridges. Notable structures include the Fernery, the only remaining free-standing Victorian fernery in North America. The grounds incorporate significant Victorian-era estate architecture and landscape design, including expansive meadows and formal rock gardens. The arboretum maintains an extensive permanent collection of rare trees, including specimens originating from Asia and Europe.
The elevated vantage point on the 'Out on a Limb' canopy walk looking out over the forest floor.
Wear comfortable, sturdy walking shoes, as the paths include hilly, unpaved, and gravel surfaces.
Bring a refillable water bottle, as the sprawling grounds require significant walking, especially in warmer months.
Visit the visitor center first to pick up a map, as the garden layout is extensive and features many winding paths.
Attempting to see the entire property in under an hour, as the elevation changes and size make it physically demanding.
Closed on major holidays and periodically for private events; check the website for seasonal garden railway dates.
Stay on marked paths to protect delicate root systems and plant beds; do not climb on trees or sculptures.