any indoor strain i would guess.....this is a prefrence question.. also what you have to work with lighting and space. norrow down your choices first, low on space, indica, if not a good stable sative strain is the way to grow. or in bewteen like a hybrid strain, what kinda smoke u like? head high, body high, couch lock high, hype high, uphoria high, it up to you man, personall the c99 strains are bangin when it comes down to smokin.