Geraniums, known technically as Pelargonium’s, are one of the most common flowering house plants grown in the country. While their stoutness may be in question, their beauty and ease of maintenance is not, making them perfect additions to a window garden or table centerpiece. They Begonias, Geraniums have come to be grown in a large variety of sizes, shapes and styles. In fact some can resemble trailing vines when fully grown, with others more accurately resembling bushes five to six feet in height.