Tomatoes, eggplants, cucumbers, beans and other vines or tall plants all need support. The EarthBox Planter Trellis is the perfect solution for your plant staking problem while using the EarthBox. Install the staking system and run string between the vertical stakes to provide the support your plants need. The Earthbox Staking System gives you the flexibility to grow tomatoes and other tall plants in the yard, on the deck, even indoors - with no more awkward cages or trellises.