The Botanic Garden at Oklahoma State University (100 acres) is a botanical garden and arboretum located just west of the Oklahoma State University campus, Stillwater, Oklahoma. It is open during business hours but also allows for access during the weekends.
The garden features over 1,000 species of herbaceous and woody plants apportioned between the Oklahoma Gardening studio gardens (5 acres), and turf and nursery research. Display gardens include annuals and perennials, water garden, rock garden, butterfly garden, wildscape garden, Japanese tea garden, and yearly theme gardens.