Key Details for Free Day:

When: Third Tuesday of every month.

Opening Hours (Free Ticket Holders Only): There are 2 time slots:

9 AM–1 PM and

1 PM–4:30 PM.

Reservation is required: Tickets are released from 9am on the first of every month through Arboretum website. Limited capacity, grab them fast!

Important: Tickets are not available on-site at the box office on this day.

Website: https://arboretum.org