The HydroFarm GCTR tomato trellis garden on wheels contains self-watering planters that provide lightweight, strong support for tomatoes, beans, peas, and other climbing plants. The easy-to-fill reservoir system delivers nutrients and water from below and helps prevent under and over-watering. This trellis expands to over four feet and holds approximately 10 gallons of grow media. Includes three (3) risers with supports and two (2) side support brackets. Bring convenience to your indoor garden with this HydroFarm GCTR tomato trellis today!