The ornamental design for a plantwidget, as shown and described.
FIG. 1 is an exploded front elevation view of a plant widget showing my new design, the rear, left side, and right side elevation views being identical thereto;
FIG. 2 is an exploded top plan view thereof;
FIG. 3 is an exploded bottom plan view thereof; and,
FIG. 4 is an exploded perspective view thereof, the broken lines showing environmental subject matter which forms no part of the claimed design.
In FIG. 4, the broken lines showing of environmental structure for purposes of illustrating the plant widget in a condition of use. The broken lines and the structure they depict form no part of the claimed design.