With the aim of studying the taxonomic composition, origin, biological characteristics of introduced ornamental plants in the parks and gardens of Absheron, designing various forms of compositions, grouping plants in compositions according to biological and decorative characteristics in 2019-2025 research work was carried out in the “Landscape architecture” laboratory. In the course of scientific research, scientific expeditions were organized to the Absheron National Seaside Park, Philharmonic Garden, Samed Vurgun Garden, Khagani Park, Flower Park, Sahil Garden, Sabir Garden, Nizami Garden, Heydar Park of Khatai District and Chambarakend Park. As a result of the research work, it was found that the introduced ornamental trees, shrubs and herbaceous plants studied in parks and gardens adapt well to the soil and climatic conditions of Absheron, are promising and recommended for use in landscape design, when creating various forms of compositions.