Which type of aerogarden unit is best for growing marijuana?

Answer 1

It really depends on the strain. If you're growing a more Indica-based strain (shorter, bushier, couchlock stone), an Aero 3 would definitely suffice. But for the taller Sativa strains (scrawnier, head high) the larger models might work better, as they can handle taller plants and also have an extension you can buy to make the lights go even taller.