Hydrofarm GCTR Tomato Trellis Garden on Wheels for $19.22 Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. It expands to over 4-feet tall and includes rectangular base and planter, 3 risers with supports, and 2 side supports. Most places have it for over $40.