Is there any sun on your roof? This link is about a guy that grew pumpkins on his rooftop: http://www.rdrop.com/users/krishna/willweek.htm When I lived in Milwaukee, with my very small yard, I considered doing something like this to increase gardening space. > OK, someone with experience growing with limited light... Which > peppers would grow best (or least poorly) in a heavily shaded, very > small back yard that only gets northern light due to buildings, and the > northern light is filtered by very very large oak trees up top, tulip > poplar and mulberry choked with morning glory <snip>