Hours of Operation | Admission Guidelines | Admission Costs | Additional Information Hours of Operation Open daily from 9am–5pm Administrative Office Hours Monday–Friday8:30am–5pm Customer Service Hours Monday–Friday9am–5pm The Arboretum is closed Thanksgiving, Christmas and New Year’s Day. Admission Costs Any Day DiscountedJan 2 – Feb 18Nov 1 – 7 DiscountedApr 11 – Jul 31 AugustAug … Continue reading Hours and Admission