The main section of the outdoor grounds of the Botanic Garden consists of cultivated and natural landscapes, including a replica of the "Mainzer Sand" and the steppes ecosystem (in the image foreground), the taxonomic section, and the arboretum. In addition to the main section, the outdoor grounds also contain the biological and alpine sections. These two themed gardens are located on the campus side of the Bentzel-Wegs and are openly accessible.
Outdoor grounds hours of admission: Daily 7:30 a.m. - 6 pm
(only open to 5 p.m. from November 8, 2010 to January 31, 2011 because of early onset of darkness)