the conservatory site contains formal perennial gardens, annual flower beds, a rose garden, and lily pond garden. the conservatory itself covers more than an acre, features an imposing central dome 85 feet (26 m) high (with a total volume of 100,601 cubic feet), and is organized as a palm house in the dome, the north and south wings, and a show house. the south wing contains tropical plants of economic importance such as bananas, oranges, coffee, sugar cane, and orchids. the north wing hosts the extensive collections of ferns, cacti, and succulents. the show house, remodeled 1980-1981, features a continuous display of blooming plants. the conservatory is currently undergoing renovations , and is closed to the public until july 2019.