The ornamental design for a plantcultivatingbed, as shown and described.
FIG. 1 is a front elevation view of a plant cultivating bed showing my new design, the rear elevation view being identical thereto;
FIG. 2 is a right side elevation view, the left side elevation view being identical thereto;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a perspective view thereof; and,
FIG. 6 is a cross-section view taken on line 6-6 of FIG. 3.
An article relating to the present design application is a plant cultivating bed formed from a porous material that permits entry of a root of a plant. The porous material is molded by polymer resin or the like mixing cultivating soil such as bark compost, peat moss and leaf soil, for example.