In the colder climate, the natural light, especially during winder is too weak for Vandas.
Is it possible to grow Vandas successfully, indoors, under High Pressure Sodium light? How about using Metal Halide light?
Growing kale indoors under lights
Newbie grow log, Tomatos under a 400w HPS
Can I grow peppers indoors without hydroponics
Can I grow peppers indoors under lights?