Also called String of Hearts, Rosary Vine is a great conversation piece for any sunlit window. The small, succulent, heart-shaped leaves are accented by white veining and they drape over the edge of the pot or hanging basket in long chains. Small, mahogany and gray flowers add drama to this reliable and time-tested houseplant. Allow the soil to dry to the touch between waterings, and fertilize sparingly during the active growing season in spring and summer. It grows best in partial sunlight with some direct morning sun.