Green roofs Home › Forums › General › General Garden Discussion › Green roofs This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years ago. Viewing 1 post (of 1 total) Author Posts March 30, 2009 at 12:51 pm #28722 Anonymous I want to build a green roof on a birdhouse for my garden. I saw one at the Philadelphia Flower Show and it was wonderful. Has anyone ever done this or does anyone have any great ideas for me? Construction-wise rather than plant-wise? Thanks. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.