Green Grow the Lilacs is a 1930 play by Lynn Riggs named for the popular folk song of the same name. It was performed 64 times on Broadway, opening at the Guild Theatre on January 26, 1931, and closing March 21, 1931. It had had an out-of-town tryout, running January 19–24, 1931, at the National Theatre in Washington, D.C.. It is the basis of the 1943 musical Oklahoma!, which had a 1955 film adaptation.