Abstract: According to this invention, there is provided a planter box having four generally rectangular side walls having opposite longitudinal ends of like vertical height and an upper end forming a top edge, a joint structure for joining the opposite ends of respective pairs of sidewalls together into a right angled wall structure and the wall structures into an upwardly open frame. The joint structure has a plurality of L-shaped corner flange plates at right angles to one another. When abutted against and releasably connected to the outwardly facing end portions of a pair of side walls the plates form one right angled wall structure. The plate includes fastening members for joining the structure together.

Abstract: The present invention provides a dual layer planter liner having: (a) a first fibrous layer having an interior surface and an exterior surface, the first fibrous layer is formed into a pot for emplacing a planting medium and/or plant therein. The first fibrous layer is formed from a first fibrous material; and a second fibrous material adhered onto the exterior surface of the first fibrous layer. The adhered second fibrous material forms a second fibrous layer. The present invention, also, provides a method for making the dual layer planter liner hereof.