Tomatoes (Solanum lycopersicum) need at least eight hours of direct sunlight per day, but that’s not always possible when you’re growing the plants indoors. The plants respond well to artificial light, as long as you meet their color requirements and time needs.Click to see full answer. Likewise, people ask, can you grow tomatoes with artificial light?The good news is: you can try growing a tomato plant indoors, all year long. With good artificial lighting or a bright enough window, you can grow tomatoes indoors, even in the wintertime. If you grow your own, you can have perfect tomatoes, even in the middle of winter.Similarly, can tomatoes grow without direct sunlight? Without enough sun, a tomato plant can’t produce fruit. Beside above, what is the best lighting for growing tomatoes indoors? 1. Pick suitable plants. Indoors, you should stick to compact plants, such as mini peppers or dwarf tomatoes. T5 fluorescent bulbs are the most cost-effective lighting option for the average indoor grower. Fruiting crops require a little more attention indoors. How many lumens does a tomato plant need?7000 to 7500 lumens per square foot is ideal, with up to 10000 recommended during flowering.