New grower need advice

I have twelve plants growing. Three are in one container. The rest are in small styrofoam cups. With three cfls 23watts each MG moisture control and i have an a/c that leaves the temp at 70°f and i have a vertical fan sitting on a box blowing air 7hts straight on the leaves and stems. I would like to know when is it neccessary to transfer to a bigger pot and i have some pictures take a look if i can upload them. GOD BLESS YOU p.s i dont have a clue what strands these plant are or if they are females.
 

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