Arboretum & Gardens: Daily, from 8 am – sunset. Note: Turf areas are currently closed for renovation. 
John J. Willaman Education Center: Daily, from 9 am – 4 pm, except on major holidays. Note: The John J. Willaman Education Center will be open on Easter Sunday, April 21, 2019. 
Office: Monday through Friday, 9 am – 4 pm, except on major holidays.