Ceropegia woodii, commonly known as String of Hearts, is a beautiful and low-maintenance plant native to South Africa, Eswatini, and Zimbabwe. It is known for its distinctive heart-shaped leaves and long, trailing stems.Best grown in light,well drained soil that is allowed to dry just a bit between waterings. Not known to be toxic to people or pets.. Mature Size: 3-4′ x 1′ after 5 years. Shade, Morning Sun Afternoon Shade.