Come Up Roses Meaning

Example : 1978, Hubert Selby, Requiem for a Dream, ISBN 9781560252481, p. 127:  All of a sudden, or so it seemed, the world had turned around and they were coming up roses. Now, instead of the bottle being half empty it was suddenly half full, and getting closer and closer to the top.1985, Stephen Longstreet, Our Father's House, ISBN 9780399130298, p. 233:  "Buck up, mister. Why, with your background, your knowledge, you'll come up roses."2006, Suzanne Finstad, Warren Beatty: A Private Man, ISBN 9780307345295, p. 221:  [E]verything came up roses for Warren Beatty. The all-important New York Times review by Brooks Atkinson called him "earnest and attractive".