Maybe water lulls your inner garden passion. A water garden can be as simple or as complex as you want it to be or as space will allow. These may include: Small water ponds Streams Waterfalls Container water gardens Fountains Water garden plants take several shapes and forms as well, including anything from oxygenating plants to water lilies and cattails, many of which can also be used for creating bog gardens. Bog gardens house a variety of moisture-loving plants and are also easy to create.