Caring for "Strings of Hearts" Plants One of the most popular categories of indoor plants right now is a broad grouping we call "Strings of Things." Because these plants are grouped by their common characteristics (in this case, their chain-like stems with whimsically shaped and colored leaves), their care can be confusing. In actual fact, "Strings-of" plants represent a wide variety of often completely unrelated species, so it's not easy to provide a "one-size-fits-all" ca