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The ¾ÅÉ« Arboretum originated in the early 1950s under the supervision of Dr. Arlo Smith, longtime Professor of Biology. A number of ¾ÅÉ« faculty, staff, and students have been involved over the decades to conserve and increase tree species on campus.

In 2011, former ¾ÅÉ« professor Dr. Rosanna Cappellato spearheaded efforts to certify ¾ÅÉ« as a Class IV Arboretum, the highest designation granted by the Tennessee Urban Forestry Council. Currently the responsibility for overseeing the Arboretum resides with the Urban Forestry Fellowship Program. As of 2017, the Arboretum boasts over 120 tree species and more than 1,500 individual trees.