PROBLEM TO BE SOLVED: To provide a packaging system, device, and method for improving handling and shipment of plantlets. SOLUTION: A carton carrier for transporting trays of plantlets is provided. The carton carrier may include a bottom panel for receiving plantlet trays having first and second ends and first and second sides. The carton carrier may also include a supporting side walls that upwardly extend from the first and second sides of the bottom panel. Each of the supporting side walls defines a supporting surface and a shoulder at the top portion thereof. The carton carrier may also include end wall panels that outwardly extend from the first and second ends of the bottom panel. The end wall panels may be arranged so as to be upwardly foldable from the bottom panel to form end walls. COPYRIGHT: (C)2008,JPO&INPIT