The best grow tent size for you depends on how many plants you want to cultivate, and how much space you have.Our 8'x4'indoor grow tent can grow 16-28 medium to large plants comfortably in The shape of the 8x4 portable grow tent makes it easy to work on your plants no matter what side you are on. This tent is pretty large, so we suggest to have an extra room or space in the garage to set it up on. This tent will need two 1000 watt or equivalent grow light to fully cover the 8x4 footprint of this tent. We have a wide variety brand of grow tents sized 8' x 4'. Including Secret Jardin, Gorilla, Mars Hydro, CoolGrows, Eco Farm, and more.