Adkins Arboretum was established in the early 1980s as part of a broader vision to create a public arboretum dedicated to the study and display of native plant life in Maryland. Conceived in the 1970s during a period of growing environmental awareness, the Arboretum was originally intended as a statewide collection of trees and plant communities that could support education, conservation, and public appreciation of regional landscapes.

The Arboretum officially opened to the public in 1980 on land within Tuckahoe State Park on Maryland’s Eastern Shore. Its creation was made possible through philanthropic support from Leon Andrus and was named in honor of the Adkins family, Eastern Shore conservationists and close friends of the project’s principal benefactor. From its earliest phase, the site was envisioned not simply as a curated landscape, but as a living educational resource embedded within a larger public park system.

During its early development, the Arboretum reflected a traditional botanical garden model, emphasizing the collection and display of a wide range of plant species. Over time, however, its mission evolved significantly. By the late 20th century, the Arboretum shifted its focus toward the native plant communities of the Delmarva Peninsula, aligning more closely with ecological restoration, habitat conservation, and the representation of local ecosystems rather than global plant collections. This transition marked a defining philosophical change from an ornamental and taxonomic approach to one grounded in ecological function and regional identity.

In 1998, stewardship of the Arboretum was formalized through a long-term lease agreement with the State of Maryland, establishing a public–private partnership between the state and the Friends of Adkins Arboretum. This structure continues to guide its management today, with the nonprofit organization responsible for operations, programming, and stewardship of the landscape.

Today, Adkins Arboretum functions as both a native plant preserve and an educational center focused on ecological restoration, environmental learning, and the long-term stewardship of Mid-Atlantic coastal plain ecosystems. Its history reflects a continuing evolution from a conceptual statewide arboretum to a deeply regional landscape dedicated to native plant communities and ecological resilience.

Leon Andrus speaks at Adkins Arboretum’s founding on Monday, May 19, 1980.