»Schneeglöckchen blühn im September« is the 2nd part of the Trilogy of the Upright Walk, a series of Proletarian films by director Christian Ziewer; the other two parts being »Liebe Mutter, mir geht es gut.« (1971)—one of the more famous German worker films—and »Der aufrechte Gang« (1975). »Schneeglöckchen blühn im September« is inspired by wildcat strike actions happening in the German Ruhr area in September 1969. Most of the people in the film are amateur actors and actual industrial workers.