Tower Garden FLEXProduct Summary The Tower Garden FLEX system lets you grow more in less space. In a matter of weeks, you can take up to 20 of your favorite vegetables, herbs, and flowers from seed to harvest without soil. By using our patented aeroponic growing system, you will use less water and electricity. This versatile, self watering, growing system can be set up outdoors or indoors. With the addition of our LED Indoor Grow Lights, your Tower Garden can produce