Chatham University Arboretum, Botanical garden at Chatham University in Pittsburgh, United States.
Chatham University Arboretum is a botanical garden set across the main campus of Chatham University in Pittsburgh, Pennsylvania, featuring a collection of trees and plants distributed throughout the grounds. Open lawns, winding paths, and clearly defined planted areas make up the layout, with the overall appearance shifting noticeably from one season to the next.
The grounds were once part of Andrew Mellon's private estate, and the Olmsted Brothers firm took on the landscape design in the 1930s. The site received its formal arboretum designation in 1998, after which the university began managing it as a teaching collection.
Students at the university regularly use the grounds as an outdoor classroom, studying plants and landscape design up close. Visitors often come across small groups working among the trees, which gives the place a calm, educational feel rather than a formal garden experience.
The arboretum is free to visit and open throughout the year, though opening hours can vary by season, so it is worth checking ahead. Sturdy footwear is a good idea, as the grounds have a mix of paths and gentle slopes.
Eleven different maple species grow side by side on the grounds, which is something rarely seen outside a specialist collection. Kentucky coffee trees are also present, a species that is otherwise hard to find growing in this part of Pennsylvania.
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