Sweet potato vine is fast-growing reaching heights of six to twelve inches with a spread of one to three feet. It has dark green or deep purple, heart-shape, lobed leaves. The variety ‘Blackie’ has the darker purple foliage and the variety ‘Margarita’ has green foliage. Both varieties look nice when used together in combinations for their interesting, contrasting, colored foliage. The plant produces tuberous roots that are similar in appearance to the sweet potato, but they are not edible. Use it in beds, raised planters, window boxes, and hanging baskets; in foundations and borders; trailing or cascading over a wall; or in a container. Use this groundcover in perennial and annual gardens for it amazing, exotic foliage. This lush groundcover is a great plant for warm seasons and loves our hot, dry weather. It is easy to propagate by cuttings and is easy to transplant. Sweet potato vine is native to the tropical areas of South America.
It takes filtered sunlight to deep shade and likes regular irrigation. Plant it in well-draining, fertile soil and do not allow it to dry out. Prune it lightly as needed to control its size. Sweet potato vine is hardy to thirty degrees Fahrenheit and should be protected from frosts. It recovers quickly in the spring if frozen to the ground.