Belser Arboretum Next Event USC Belser Arboretum Open House - 11/15/2026 - 1:00 pm - 4:00 pm See All Description Upcoming Events USC Belser Arboretum Open House - 11/15/2026 - 1:00 pm - 4:00 pmUSC Belser Arboretum Open House - 12/20/2026 - 1:00 pm - 4:00 pm