Arboretum Work Day Saturday, April 20, 2024 9:00 AM 12:00 PM 09:00 12:00 Old West End Association (map) Google Calendar ICS Agnes Reynolds Jackson Arboretum is located at the corner of Delaware and Robinwood. This park has been lovingly cared for by Old West End residents since 1986. Please come out and help during our work days. Food Provided.