Web Cut the side shoot from the plant. If you dont prune the suckers youll get smaller tomatoesbut a lot of them. What Do You Do With Tomato Suckers Epic Gardening Use clean pruning shears or scissors to snip the sucker branches off the plant. . When it comes to getting rid of tomato suckers there is no right or wrong answer. Those green stems that start to form at leaf axils see the photo above are not suckers theyre simply secondary stems. Make sure that its standing steadily in the soil. For bigger suckers use clean sharp pruning shears to avoid damaging the plant. V-shaped areas where the leaves attach to the stem. In addition suckers also block air and light as they grow. If they are left on the plant the yield gets affected as the nutrient is divided. Have mason jars ready filled with approximately 3-inches of clean warm water. Remove the bottom leaves. Use a stick to make a hole in t...