The Crosby Arboretum is dedicated to educating the public about their environment. This mission is carried out by preserving, protecting, and displaying plants native to the Pearl River Drainage Basin ecosystem, providing environmental and botanical research opportunities, and offering cultural, scientific, and recreational programs. The Arboretum displays three basic habitats found in this ecosystem. They are a Savanna exhibit, a Woodland exhibit, and an Aquatic exhibit. Both drastic and subtle changes in landscape patterns can be observed within each exhibit. In addition to the 104-acre interpretive site, the Arboretum also collectively maintains 700 acres of off-site natural areas that are preserved for scientific study.