Well it all depends on how full you think they will fill the space, you have about 6 weeks before they start to go into pre flowering mode, they will slow in growth but will still grow. I'd suggest trimming off your lower branches a the very least, they won't produce much and will just take up space. I don't want to suggest anyone pull plants, if you feel you must try to find someone to host them for you rather then let them go to waste.