The U.S. Botanic Garden invites visitors to come enjoy flowers, live music, and refreshments at four special summer evening events. On the third Thursdays of each month – June 19, July 17, August 21, and September 18, 2025, the Garden will stay open until 8 p.m. for visitors to enjoy the golden hour amidst the USBG plant collection from around the world. Four musical groups will perform live music in the Conservatory Garden Court beginning at 5 pm each date.