The ornamental design for an automatic plantwateringsystem, as shown and described.
FIG. 1 is a perspective view of a automatic plant watering system, showing my new design;
FIG. 2 is a front elevational view of the invention;
FIG. 3 is a rear elevational view of the invention;
FIG. 4 is a left-side elevational view of the invention;
FIG. 5 is a right-side elevational view of the invention;
FIG. 6 is a top plan view of the invention; and,
FIG. 7 is a bottom plan view of the invention.
The electric cord and timer shown in the view of FIG. 1 is shown removed from the drawing views of FIGS. 2–7 for clarity and ease of illustration.
The broken lines showing a plant and soil in FIG. 1 are included for the purpose of illustrating the invention in use, and form no part of the claimed design.