Biological garden has approximately 0.5 hectares of area, with numerous plants from various regions of Indonesia. Some of them are meranti (Shorea zeylanica, s. japonica), nagasari (Mesua ferrea), sterkulia (Sterculia foetida), and a yellow flowering kapok pad (Salamalia malabarica) as well as various species of palm. In addition, biological garden are also untilized as experimental garden for research and academic purposes.