The french modernist garden of the 1920-30s, significant when studying the history of gardens, has been disregarded in landscape architecture studies. This study aims to review and examine the main characteristics of the French modernist garden in relation to Cubism. In addition this study seeks to recover an unnoticed phase from landscape architecture history and lies in a same thread with studies on the theory of Modernism in landscape architecture. The french modernist garden is closely connected with Cubism, as Cubist garden is a popular synonym for the French modernist garden. used simplified and geometrical forms like Cubist painters. In spacial composition, the French modernist garden offered images of various views in one space, much like the Cubist paintings which showed various aspects of an object simultaneously on the canvas. In the French modernist garden, gorgeous colors and various textures were emphasized, much like the synthetic Cubism. Moreover, in the history of landscape architecture, the state of the French modernist garden which tried to change the traditional gardens into a space more suited to the new life style, is similar to that of Cubism as an art movement in the history of art of the early 20th century.