Abstract: A sidewall attachment system for attaching decorative objects such as decorative flowers to a structure such as a tent to create a decorative display such as a flower wall. The sidewall attachment system generally includes a sidewall which is adapted to be removably secured to a structure such as a tent. The sidewall includes mounts and apertures for removably securing the upper end and sides, respectively, of the sidewall to the structure. The sidewall also includes a plurality of retainer strips adapted to removably engage with corresponding connector strips located on each of a plurality of panels adapted to be removably connected to the sidewall. Each of the panels includes a plurality of openings which function as grommets to retain any number of decorative attachments such as flowers to the panels to form a decorative display on the structure.