Why is my lemon tree not producing fruit?

There are several reasons why your lemon tree may not be producing fruit. Some common reasons include inadequate sunlight, improper watering, lack of nutrients in the soil, or the tree being too young. It is important to ensure that your lemon tree is receiving enough sunlight, water, and nutrients to encourage fruit production. Additionally, some lemon tree varieties may take a few years to start producing fruit, so patience is key.