Abstract: A new cultivar of Begonia of hybrid origin named ‘Plum Paisley’, that is characterized by its large leaves reaching up to 25 cm in length, its large plant size reaching 30 cm in height and up to 46 cm in spread, its plant habit typical of Rex Begonias, its foliage with that emerges light green with dark green on the margins and surrounding the central vein, then develops silver mottling of polka dots near the margin that coalesce into a central area of silver mottling that develops a purple sheen when mature, and its pink flowers that rise about 5 cm above the foliage.