"It is the task of the Departments of Zoology and Botany to look after the Zoological and Botanical Gardens Wilhelma according to the latest level of research in these subject areas. With the subject area of Park Upkeep and Maintenance, Wilhelma has the task of caring for the parks and gardens of the Land of Baden-Württemberg in Stuttgart." ("Wilhelma as a Model")

Organizationally, Wilhelma is split into 4 subject areas in all (Administration and Technical Matters, Zoology, Botany and Upkeep and Maintenance of Parks), which are under the responsibility of the Director of the State Parks and Gardens.