That's a pretty small planter; however, the ginger will start small and the basil is likely to give you some yield as it gets pushed out by ginger and lemon grass. If possible, stack up some more space vertically with more planters. Or take one of my suggestions in today's post:
http://www.thesurvivalgardener.com/gardening-indoors-for-survival/
There's almost always a solution. Lots of people will share
land if you ask.