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The rose is America’s national flower, and as the national botanic garden, we have an entire Rose Garden dedicated to celebrate our national floral emblem! Learn more about the national floral emblem.

Join us for an extended summer evening hours when we stay open until 8 pm on select dates!

Our Lady Banks rose is full of golden blooms!

Tuesday and Thursday evenings in December are magical, with extended hours until 8 pm and live music!

Join us for one of multiple special after-hours programs in October that celebrate the spooky side of plants!

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.

Join us for an Earth Day event! We have lots of programs on-site and online all week long, from composting and sustainable gardening and landscaping to tree conservation and family activities!

Some trees don’t lose their leaves in the fall, instead remaining green year-long. Why is this? What is the reason that some trees lose their leaves in the colder months while others don’t?

With tools like the USDA plant hardiness map, we typically only consider low winter temperatures as the primary metric by which we determine which plants to sow. However, we might benefit from incorporating summer temperature trends, like the information presented in the American Horticultural Society’s heat zone map, into our planting decisions. With summer temperatures spiking to record highs due to a changing climate, the impact of high heat on plant life is becoming increasingly relevant to growers.

The Garden will be open until 8 p.m. on the third Thursdays in June, July, and August 2024. The Garden will stay open until 8 p.m. on June 20, July 18, and August 15, 2024, for visitors to enjoy the golden hour and sunset amidst summer flowers and the USBG plant collection from around the world. Lemonade, botanical non-alcoholic mocktails, and snacks will be available for purchase. Learn more