the size of the pot will depend on how big you want the plant to be.....either way I will lay out my system very quick.. I put a seed in a moist paper towel inside a ziplock back seal it up and it goes in a dark warm place 48 hours later I have a tap root, I take the seedling and put it in a moist rocwool cube, under 26w cfls 1-2 days later i have a stem and leaves I take a 32oz cup put a hole on the side 2 inches up from the bottom.. fill 3/4 with perlite put the rocwool cube with the seedling in cover the cube with perlite and away we go......