FIG. 1 is a perspective view of a stacking planter, showing one of the planters which comprises only a portion of the claimed design, other portions being omitted for ease of disclosure;
FIG. 2 is a front view thereof, showing only one of the planters thereof;
FIG. 3 is a rear view thereof, showing only one of the planters thereof;
FIG. 4 is a right side view thereof, showing only one of the planters thereof;
FIG. 5 is a left side view thereof, showing only one of the planters thereof;
FIG. 6 is a top view thereof, showing only one of the planters thereof;
FIG. 7 is a bottom view thereof, showing only one of the planters thereof;
FIG. 8 is a perspective view thereof, showing one of the interior grille pieces which comprises only a portion of the claimed design, other portions being omitted for ease of disclosure;
FIG. 9 is a top view thereof, showing one of the interior grill pieces inserted into one of the planters, other portions being omitted for ease of disclosure;
FIG. 10 is a perspective view thereof, showing all portions of the claimed design;
FIG. 11 is a front view thereof; and,
FIG. 12 is an exploded view thereof.