This paper presents the result of researches on the segetal vegetation of the Bolimów Nature Park. In the area of research, 10 segetal associations and 1 community - 5 associations and 1 community of the Secalietea class and 5 associations of the Chenopodietea class - have been found. Among them following ones are quite interesting: Community with Saxifraga tridactylites, Galio-Ranunculetum arvensis, Veronico-Setarietum pumilae and Bilderdykio- Lamietum amplexicaule.