Two greenhouses are located in the Botanical Garden. The cultivation greenhouse is used for growing the plants used for practicals and research. Only the display greenhouse-complex is opened to the public on request only and is divided into a Tropical and Succulent Greenhouses.
In the Tropical Greenhouse a variety of tropical and subtropical plants from all over the world can be found. Some of the plants include a variety of food plants including Coffea arabica (Coffee), Camellia sinensis (Tea), Vanilla planifolia (Vanilla), Saccharum officinarum (Sugarcane), Cinnamomum zeylanicum (Cinnamon), Oryza sativa (Rice) and Piper nigrum (Pepper). The Tropical Greenhouse also houses many other exotic plants from a variety of families most notably the orchid family (Orchidaceae). Many indigenous epiphytic orchids such as Ansellia africana (Leopard Orchid) and Mystacidium capense, can be found in this greenhouse.
In the Succulent Greenhouse a variety of succulents and other xerophytes can be found with most species indigenous to South Africa. Some intersting plants include Diedierea madagascariensis (Octopus Tree), Adansonia digitata (Baobab), Fockea edulis (Kambro), Hoodia gordonii (Ghaap) and Aloe dichotoma (Quiver Tree). Some locally threatened plants such as Nananthus vitatus (Bushveld Vygie) and Lithops lesliei (Living Stones) can also be found in this greenhouse.