Arboretum Seven Places to Visit on Campus Before You Graduate Mon, 04/24/2017 - 10:00 A Big Tree, for a Big Life: Arboretum Sequoia Dedicated to Cass Turnbull Thu, 06/15/2017 - 10:00 New Interpretive Signs Installed in the Arboretum at South Seattle College Mon, 10/16/2017 - 10:00