Not only do trellises keep vining plants off the ground, protecting them from a variety of pests, diseases and foot traffic, they also ensure plants receive adequate circulation and sunlight. ... These tomatoes need consistent pruning and commonly reach heights of six feet or even more.

Do I need a trellis for tomatoes?

Because the fruits can get so large and heavy, tomatoes are one of those plants in your vegetable garden that require some form of trellising or support. Trellising keeps the plant upright and prevents the stems from breaking during any high periods of wind.

What happens if you don't trellis tomatoes?

No-stake tomatoes – without cages or stakes, grow tomato directly on the ground! Growing tomatoes without stakes or cages allows for an abundant harvest: one plant will give you a production equivalent to three staked tomatoes.