I would grow horizontally in there, utilizing the length of the closet.

make sure to line the walls with either white poly tarp, mylar, flat white, etc.

can you cut holes for intake / exhaust?
greenatik Reviewed by greenatik on . Tricky Closet Dimensions for First Time Grower: 12' (or less) x 4' x 3-6.5' (varying) Attached is a 2D picture of what it looks like when you open the door: As far as the length goes (which you cannot see in the picture): The closet is over 12 feet long. It is a deep closet, and I don't plan on using all 12 feet, at least at first since this is my first grow. I'll probably block off 4-6 feet for the length (lets say 5'), so we're dealing with a 5' x 4' x 3-6.5' (varying height, see pic) area. Should I...?: a). Seal the grow area with some sort of hut/tent/box and give Rating: 5