Tomato Trellising Options Tomatoes are growing fast in this hot summer weather. But before they get too large and out of control, it’s good to think about your trellising options. All but the dwarf varieties should be trellised to keep the fruits off the ground. Dwarf varieties can stand up on their own. By keeping the fruit off the ground, you’ll have fewer disease and insect problems and more room to grow and work around the plants. Let’s look at some of the options.