The Barnes Merion
The Barnes Foundation

Originally purchased by Dr. Barnes in 1922, the Merion campus features a Paul Philippe Cret-designed residence and gallery surrounded by a 12-acre arboretum. The horticulture program and library, and the institutional archives, are based here.

History of the Arboretum

Learn about the people and the plants that helped the Arboretum grow. Learn more

Arboretum Advisory Committee

Committee members are a dedicated group who advise on botanical issues and horticulture programming. Learn more


The plants propagated in the greenhouse are used for education and display. Learn more

Horticulture Courses

The Arboretum is currently open for Horticulture Courses. Learn more