A towable sod stacker having a pallet holder for holding a stack of sod, a conveyor for receiving and temporarily storing a plurality of cut sod slabs and a sod pickup mechanism for lifting the plurality of cut sod sections from the conveyor and vertically placing the sod slabs in any of four positions on the pallet to provide an alternately stacked pallet of sod slabs with the towable stacker conveyor laterally displaceable to permit an operator to on-the-go dump a spoiled sod slab from the conveyor