The University of Michigan Matthaei Botanical Gardens (300 acres, 121 hectares) includes botanical gardens, natural areas with trails, and several research-quality habitats. The conservatory is popular year round. The public entrance is at 1800 North Dixboro Road in Ann Arbor, Michigan. The grounds are open every day, but trails are not maintained in the winter. The Conservatory, Garden Store, and Lobby are open 7 days a week: Mon., Tues., and Thurs. - Sun., 10:00 am-4:30 pm; Wednesdays 10 am-8 pm. The building complex is only closed on three holidays a year.