Hypoestes phyllostachya, commonly known as the polka dot plant, is a colorful, small houseplant famous for its spotted leaves, typically in pink, red, or white against a green background. Native to Madagascar, it enjoys well-draining, moist soil, and thrives in medium to bright indirect light. While known for its air-purifying qualities, it’s non-toxic to humans and pets, making it a safe and attractive addition to homes.. Mature Size: 6-12″ x 6-12″ after 2 years. Morning Sun Afternoon Shade.