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The United States Botanic Garden (USBG) is located across the U.S. Capitol in Washington, D.C. The Botanic Garden is operated by the Congress of the United States.
The Botanic Garden includes a large Lord & Burnham greenhouse which is divided into separate rooms, each one simulating a different habitat. The 52,000-square-foot greenhouse was built in 1933 and renovated in 2001. The Botanic Garden has a large collection of medicinal plants, orchids, cacti and succulents, bromeliads, cycads, and ferns.
Admission to the U.S. Botanic Garden is free, and it is open daily from 10 AM to 5 PM, including all weekends and holidays. To the west side of the greenhouse there is a garden called Bartholdi Park which is open from dawn to dusk daily, including all weekends and holidays.
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More than 35 Cool Globes promoting ways to reduce global warming are on exhibition at the entrance to the Botanic Garden.
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The temperature and humidity are carefully regulated inside the large greenhouse. Every few minutes a fine mist is released from the pipes overhead. Banana trees thrive and produce bunches of fruit.
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Many types of orchids are on display in the Botanic Garden.
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Corridors on the second level take visitors close to the plants and provide an excellent perspective of the canopy of the greenhouse forest.
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Tropical palms rise more than thirty feet in the interior courtyard of the greenhouse, and bougambilias climb on trellises.
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