I've heard about one square foot per plant. I think you could fit two in there, just be aware of your height issue (3ft). And keep in mind your pots will have to fit in that too.
AR15 Reviewed by AR15 on . Space per plant????NE1? Does anyone know the minimal amount of space per plant ill need for my closet grow? Would a 10"x24"x3' be reasonable for 2? Rating: 5