Sieboldās hemlock References Sieboldās hemlock plant Ask Anything Homework Help Also known as: Tsuga sieboldii Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopƦdia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: hemlockSieboldās hemlock (T. sieboldii) and the Japanese hemlock (T. diversifolia), both native to Japan, are grown as ornamentals in North America and Europe. Read MoreSieboldās hemlock (T. sieboldii) and the Japanese hemlock (T. diversifolia), both native to Japan, are grown as ornamentals in North America and Europe. Read More