FIG. 1 is a front and elevational view of a plant tub showing my new design.
FIG. 2 is a perspective view thereof.
FIG. 3 is a top plan view thereof, shown at an enlarged scale; and,
FIG. 4 is a bottom plan view thereof, shown at an enlarged scale.
The broken line showing in FIG. 3 is for illustrative purposes only and forms no part of the claimed design.