Eucalyptus saligna Plant Sydney blue gum is a large flowering hardwood tree which can grow to 63 metres high. Name Common Blue gum {"name":"Common","target":"","target_text":"Blue gum","date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type Plant {"name":"Plant","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}