New Hanover County Extension Service Arboretum is a 7 acre arboretum established on the grounds of the New Hanover County Cooperative Extension Service, 6206 Oleander Drive, Wilmington, North Carolina. It is open daily without charge.
The arboretum was formally opened in 1989, and is still under development. It currently contains 33 gardens including an aquatic garden, bog garden, children's garden, herb garden, Japanese garden, and rose garden. It is said to contain more than 4,000 varieties of native and naturalized plants, with many of its original plants given by J. C. Raulston, North Carolina State University horticulturist and namesake for the JC Raulston Arboretum.