how big will my babies get in an 18oz cup

in a 1.5x1.5x2' box this should be a big enuff pot for this space or should i get a bigger pot?

I believe your roots will bind up and it will not work.? but then again i have most definately never tried it! good luck.

https://www.rollitup.org/general-marijuana-growing/427922-party-cup-grow-off-new.html <---These guys grow in like 16 oz cups. check it out... maybe some useful information there...

large enough to tip over when the pots dry out ... lol, just somthing im working through

well 1 just poped out of the medium, hopefully shes a lil momma! really im lookin for 1 female and do her right!