People do indoor gardening inside their house or inside a building. Sometimes indoor gardening is done in greenhouses, which are special buildings where plants are grown. A greenhouse has a transparent glass or plastic roof and walls that let sunlight in. Grow tent is also used for indoor plants. Grow tent helps plant to grow in a more spectacular and develop a friendly environment. Water gardening is growing plants in ornamental pools and ponds. People doing water gardening plant water lilies and other aquatic plants. 