Quote Originally Posted by keeko
every single plant needs light for photosynthesis......mj is no different
Sorry, but I had to:
Monotropa hypopitys - Wikipedia, the free encyclopedia
Broomrape - Wikipedia, the free encyclopedia (freaky name for a plant btw)

The only way it would be possible to grow weed in the dark is if you somehow managed to supply it with chemical energy directly. Even then, the plant would almost certainly not flower in the dark unless it was genetically engineered or something.