The article presents the results of the study of the adaptation features of Viscaria vulgaris Bernh. (Caryophyllaceae) introduced in the Lower Volga region. The study examines: the seasonal rhythm of the plant development, biomorphological parameters of the plant as a whole and its fruits. The genus introduction capacity was evaluated using the seven-point scale. It was found that Viskaria vulgaris Bernh. is promising for planting under in the Lower Volga region.