Plant Lamp

FIG. 1 is a front, top and right-side perspective view of a plant lamp showing my new design; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a left side elevation view thereof; FIG. 5 is a right side elevation view thereof; FIG. 6 is an enlarged top plan view thereof; FIG. 7 is an enlarged bottom plan view thereof; FIG. 8 is a rear, bottom and left-side perspective view thereof; and, FIG. 9 is an enlarged view, of circled portion 9 , of FIG. 1 , thereof. The broken lines throughout the drawing figures depict portions of the plant lamp that form no part of the claimed design. The dot-dash broken lines depict the boundaries of the FIGS. 1 and 9 enlargement that forms no part of the claimed design. The plant lamp is shown with symbolic breaks in its length. The appearance of any portion of the plant lamp between the break lines forms no part of the claimed design.