You may but then you loose out on the advantage of accelerated growth because of artificial season cycles. LEDs are illuminated in such duration that the plant

You may but then you loose out on the advantage of accelerated growth because of artificial season cycles. LEDs are illuminated in such duration that the plant thinks flowering season has come even though it actually hasn't. A closed room is a VM for plants. Also, if you depend on sunlight, you can't grow all year around and can't charge premium for non-seasonal products making it uncompetitive against traditional agriculture.