Abstract: A portable, collapsible lawn and leaf bag cart is disclosed which includes a U-shaped back frame, wheels attached to and extending behind the back frame and a bag supporting platform pivotally connected to a lower end portion of the back frame which is tiltable upwardly from an extended position perpendicular to the back frame to a storage position in line with the back frame. The cart also includes a pair of arms pivotally connected on an upper end portion of the back frame for supporting a rectangularly shaped bag supporting frame thereon, which arms are tiltable downwardly from an extended position perpendicular to the back frame to a storage position between and in line with the legs of the back frame.