The Hydrofarm Tomato Trellis System Is A Perfect Fit For Your Garden. Hydrofarm'S Self-Watering Planters Provide Lightweight, Strong Support For Tomatoes, Beans, Peas And Other Climbing Plants And Flowers. An Easy-To-Fill Reservoir System Delivers Water And Nutrients From Below, Helping Avoid Over- Or Underwatering. The Hydrofarm Tomato Trellis System Features A Sturdy Frame Construction That Helps Support The Weight Of The Vines As They Grow, Allowing The Plant To Devote More Energy To Developing Fruit - And Preventing The Fruit From Falling Off Before It'S Ripe.