Maquia: When the Promised Flower Blooms (Japanese: さよならの朝に約束の花をかざろう, Hepburn: Sayonara no Asa ni Yakusoku no Hana o Kazarō, lit. "Let's Hold the Promised Flowers in the Morning of Farewells") is a 2018 Japanese animated high fantasy drama film written and directed by Mari Okada and produced by P.A. Works. It features animation direction and character designs by Yuriko Ishii adapted from Akihiko Yoshida's original designs, and music composed by Kenji Kawai. The film is Okada's directorial debut and the first standalone feature-length, theatrically-released production of P.A. Works.Maquia: When the Promised Flower Blooms tells the story of the titular Maquia, a young girl who is a member of a special race called the Iorph, mystical beings who can live for hundreds of years. While escaping war, she finds a lone surviving infant and decides to raise him as her son.

The film premiered in Japan by Showgate on February 24, 2018, and at the Glasgow Film Festival on March 4, 2018. It was released by Madman Entertainment on June 7, 2018. It was released by Anime Limited on June 27, 2018. It was released by Eleven Arts on July 20, 2018. The film's English dub premiered on September 21, 2018, in the United States. It was released on DVD and Blu-ray Disc in Northern America on February 5, 2019. The DVD only has an English track, while the Blu-Ray has both English and Japanese tracks.