Polka dot plants (Hypoestes phyllostachya) are common houseplants with colorful foliage. They are highly hybridized to produce a variety of colors and types of leaf spotting. Leaves are brightly dotted in pink, purple, red, or white. The most common polka dot plant on the market features leaves with a pink base color and green spots. Polka dot plants grow best in medium or bright light, but tolerates low light if you don’t mind it getting a bit leggy.