The Barton Arboretum and Nature Preserve of Medford Leas is a unique blend of accessible public gardens, collections, and preserved natural areas set amidst private residential space. A Level I Accredited Arboretum spanning more than 200 acres, with campuses in Medford and Lumberton, NJ, the Arboretum offers visitors a diverse horticultural array of designed gardens, landscaped grounds, meadows, natural woodlands and wetlands, and one of the most extensive plant collections — including natives — in all of southern New Jersey.