PRUNING TOMATOES - great article! 1. To grow more flavorful tomatoes. 2. To grow larger tomatoes. 3.To grow more tomatoes over the length of a season. 4. To keep plant leaves and fruits off the ground and away from pests, insect damage, and fungal disease. 5. To keep plants smaller and more compact. 6. To allow tomatoes on the plant at the end of the season to ripen before the first frost.