The Arboretum is a botanic institution and a venue for study, research, reflection, and enjoyment of the arts and nature. The Arboretum is open every day from dawn until dusk. There is no charge for admission to the H.O. Smith Botanic Gardens or the Arboretum land beyond the gardens. To help us to preserve the Arboretum and make everyone’s visit safe and enjoyable, please abide by our rules and policies.