Oxalis can be kept as a single houseplant but can also be planted in larger baskets or planters along with some other flowers such as begonias or pelargoniums. Interesting leaves and lovely flowers have won the hearts of flower lovers around the world. Ornamental clover is a decorative plant that is very easy to maintain and therefore adorns many gardens, homes and windows. Since some clover species come with leaves in groups of four, it has always been considered to bring good luck.