Allotments 4 All

New to growing under glass so this might be a daft question but here goes.......

are grow bags OK to grow lettuce in until my pepper seedlings are ready????

Do you mean to sow into or plant into.  Plant - yes.   :)

But you won't crop them before the peppers go in??

Looking to plant some seedling into them ;D

Indeed, but surely they won't be near cutable before the peppers have to go in? And the 2 won't necessarily grow happily together. Or have I got the wrong bag??