Grow fresh and delicious tomatoes, beans, peas, and more with the Hydrofarm GCTB Tomato Barrel Pot Garden Planting 4 Foot Trellis System. This set includes 2 self-watering planters with support towers, perfect for small spaces like patios, decks, balconies, or rooftops. The trellis expands to over 4 feet tall and provides ample space for your plants to grow and thrive. The lightweight material makes it easy to move and position for optimal sunlight and rain exposure. With an easy-to-fill reservoir, your plants will receive the right amount of water and nutrients to flourish. The sturdy frame construction ensures the support needed for your vines to grow lush and produce abundant crops. Each set includes a round base and planter, 3 support rings, and 3 connecting risers. Dimensions: 15 x 15 x 13 inches.