Abstract: A device for holding a flexible trash bag is arranged for mounting on a garden cart of the type having parallel handle arms extending rearwardly from the top of the cart body. The device comprises a flat sheet having upstanding side walls and arranged to extend across the handle arms from adjacent the top of the cart. Bag holding structure is provided under the rear edge of the sheet and when the device is installed on a cart, grass cuttings or other refuse may be swept out of the cart and over the sheet into the bag; the bag may be kept open by holding it by hand against a cross member between the ends of the arms.