An upstairs passageway is walled with Japanese cedar bark. Oak is considered the best, followed in order by holly, cherry, sakaki, and Japanese cedar. It is about 6 meters long, and made from the Japanese cedar tree. It feeds on alder, sedge, Japanese witch-hazel ("Hamamelis Japonica"), and Japanese cedar. The tree is called Japanese cedar or Japanese redwood in English. "Cryptomeria", the Japanese cedar, is a conifer extensively grown for its timber. The temporary seating uses local Japanese cedar that was harvested after a wildfire in 2017. Among the Nyakutakuji Temple Ruins, there is a Japanese cedar called "Shinobu-suji". Some Asian beverages (e.g., Japanese sake) use Japanese cedar, which imparts an unusual, minty-piney flavor. The dominant tree species planted are Japanese cedar ("Cryptomeria japonica") and Japanese cypress ("Chamaecyparis obtusa").