Lack of Pollination
The number one reason why tomato plants may flower without producing fruit is due to lack of pollination.
If your tomato plant lacks proper nutrients or have a nutrient imbalance, your plant is not likely to bear fruit and may even fail to flower.
3. Lack of Sunlight
If your tomato plants are in a portion of your garden that does not get adequate sunlight, your tomato plant is less likely to bear fruit.
4. Improper Watering
If you water your plants too much, then the roots of the plant will rot and eventually the plant will die. If the plants don’t get enough water, then the plant will become stressed and won’t be able to grow fruit..
Tomato plants that are subjected to pests such as Aphids or tomato worms can become too stressed to produce fruit or even to live.
Tomato plants can be stricken by a number of diseases.
Provide Balanced Nutrients
Water the Plants Properly
Provide Adequate Sunlight
Get Rid of Pests and Diseases