Calendar Of Events

4th Friday: Summer Evening Hours

August 23rd 2024 -

​Enjoy extended evening hours at the National Arboretum this summer! The Arboretum will stay open to the public until 8 PM on the 4th Friday of every summer month: June 28th, July 26th, and August 23rd.

This is free for all to enjoy! These extended hours are made possible by Friends of the National Arboretum and the Capitol Hill Community Foundation.