Follow all these tips to make growing healthy and fruitful tomato plants easy. 1. Plant your tomato plant in a place with 10 hours of direct sunlight. 2. Have enough space between plants for air flow. 3. Soak the base of your tomato plants once a week or more during those hot summer days. 4. Pinch and remove suckers that develop in the crotch joint of two branches. 5. Use a tomato cage to support your plants. 6. When your tomato plant reaches 3 ft. tall, remove the leaves from the ...