If you pay attention to trends, you have probably noticed that foliage houseplants have enjoyed a resurgence in popularity. Foliage houseplants are highlighted in home decorating catalogues, cover the shelves of boutiques and coffee shops and have a large devoted section in garden centers. Tropical plants with large, varied and often colorful leaves have pushed succulents out of the limelight (though succulents are truly fascinating, very few homes have big south-facing windows that are required for many of these plants to thrive).