Many plants are put on the alley which is space characteristic of the densely built-up area in a city. There was nothing that investigated the alley as a unit only by about, although there were some papers investigated about the plant put on the alley until now. In this research, the plant put on the alley for Tsukishima, Chuo-ward, Tokyo. Consequently, the plant put on the alley could be classified into four types, and it turns out whether to appear in the place in which each type had what the space characteristic. And in the place where buildings other than a residence are located in a line, it turns out that a plant becomes is easy to be placed in the place where the alley is following that a plant is not placed. It becomes possible to further redevelopment of an area, leaving the plant of an alley, when using this.
