Botanical Garden as a collection of different species, in addition to ex-situ conservation and protection of endangered species serves and promotes the general botanical knowledge, and therefore any botanical garden, except for scientific, has an educational function. Construction work of botanical gardens to full function is a long process. All Botanical Gardens that today have a prestigious status in the world are over 200 years old. Botanical Garden of the University of Banja Luka is a new facility but it has already become one of the polygons for teaching students of study programs in horticulture, as well as students of forestry, biology and architecture.
Construction of the Botanical Garden of the University of Banja Luka started on the initiative of the Institute for Fruit Growing, Viticulture and Horticulture, Faculty of Agriculture, Faculty of Forestry and Natural Sciences Institute in the 2003. year. The Academic Council of the University of Banja Luka has approved the location of the Botanical Garden in a new campus "University City", in an area of 5.17 ha, and with the conclusion of the City of Banja Luka no. 07-013-515/04 of 17. 09. 2004. is accepted the initiative of the University and approved the start of construction of the Botanical Garden. Initialy as the coordinating unit was determined Institute of Pomology, Viticulture and Horticulture, Faculty of Agriculture, but after the founding of the Genetic Resources Institute, by the decision of the Board of the University of Banja Luka from 2009. the buildings and land at the Botanical Garden are assigned to use to this organizational unit of the University, which thereby became responsible organizational unit to continue construction.
City of Banja Luka provides constant support to the construction of the Botanical Garden since 2004. and the garden has found its place in the city's development strategy by 2015. Since 2010 is secured the support of the Forest Agency of the Ministry of Agriculture, Forestry and Water Management of the Republic of Srpska.
By 2012. at a fully landscaped area of 3.5 hectares is planted arboretum with 46 wild native species and field collection of autochthonous varieties of fruit trees with 18 varieties of apples and 13 varieties of pears, as part of the collection in the Programme for Conservation of Plant Genetic Resources of the Republic of Serbian.