Ipomoea batatas `Sweet Caroline Sweetheart Light Green` is a very compact to compact, partially mounded cultivar producing many shoots and having dense foliage. This cultivar is distinguishable from other cultivars by small, heart-shaped, light green to chartreuse colored leaves and erect to semi-erect architecture. The plant has good vigor, is very well branched, and has thin stems that tend to intertwine. It is much less vigorous than Ipomoea batatas `Margarita` and `Blackie`, and is well suited for container production. The production of flowers by `Sweet Caroline Sweetheart Light Green` is are even under short day conditions.