Asclepiadaceae Ceropegia woodii is a good hanging plant with long, pendulous stems and small heart-shaped leaves.
Leaves are dark green and marbled with silver.
String of Hearts is native to S. Rhodesia and S. Africa. Flowers resemble small upturned vases. They are 1 inch tall and bulbous at the base. Ceropegia woodii need full sun to partial shade with some protection from the hot midday sun. The temperature should never go below 60 F in winter.