Philodendron erubescens ‘Scarlet Princess’ is a cultivated variegated selection within the Philodendron erubescens complex, valued for its red-toned foliage and marbled variegation. In early growth, plants produce smaller, compact leaves with soft green to reddish tones and subtle cream or mint variegation that becomes more defined as the plant establishes. As it matures, the foliage increases in size and thickness, developing deeper green coloration with consistent red flushing or veining and more pronounced sectoral variegation. This cultivar grows best in bright, indirect light with warm conditions, high humidity, and evenly moist, well-aerated media.