I use 3 gallon pots which do nicely. Not to small, and you can fit a lot of them toghter.thanks for the replies guys. they're currently planted in 6inch pots, and was also wondering what size pot should I be looking to
transplant them in next week? Thanks
spot on also if they not autos wait a few more weeks an then you can strengthen the stem but gently sliding the stem of the plants between your middle fingers, an giving it a gentle shake from left to right. it does sound a little daft. but i have seen it DOES tough up that stem if dont gentle enough an often enough. well i got cracking results with a little stem shake during my twin auto NL indoor grows.you should have a small oscilating fan blowing on them to strengthen the stems.