In the 1951 film, the playing cards paint the roses red.
Alice encounters three card gardeners in the Queen of Hearts’ garden. They explain that they planted white rose bushes by mistake, and are hurriedly covering the flowers with red paint because the Queen dislikes white roses and threatens severe punishment. Their comic panic leads into the Queen’s arrival and the famous “Painting the Roses Red” musical sequence.
The scene is adapted from Lewis Carroll’s 1865 novel Alice’s Adventures in Wonderland, where the gardeners likewise try to conceal their mistake. The color is therefore not merely a visual detail: it motivates the cards’ frantic behavior and reinforces the Queen’s arbitrary, intimidating rule. The film’s song list also includes “Who’s Been Painting My Roses Red?”, sung by the Queen.
A common mix-up is remembering the roses as naturally red. In the story, they were planted white; red is the color the cards apply to hide that error. The sequence also helps introduce the Queen’s garden before her croquet game with Alice.