International modernism has brought new solutions to urban greenery, primarily aimed at improving the living conditions of the inhabitants. Currently, much more is expected of green areas, and at the same time, various impacts influence their modifications. The article focusses on changing approaches to the issue of green wedges design resulting from the socio-political transformation and the changes in approaches to city planning priorities. We selected Warsaw for detailed research, where the evolution of this approach can be clearly observed. The study showed the changes in the size, layout and function of one of the most important green areas and residents’ expectations. The formulated conclusions and threads may be helpful in spatial policy, spatial planning and urban design in various cities with an open areas structure similar to Warsaw.