nothings impossible. lol and i think they are 40 watt each, and we have a huge walk in closet with the plants posted up in the corner. we put tin foil all on the walls and shit
You need to know what type of lights you have they may be the wrong type for flowering. my guess would be no more than three plants and even then you would probably want to add some more lights in the flowering stage. you should check out the forum on lighting