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United States Botanic Garden
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United States Botanic Garden

Also known as: USBG, U.S. Bontanic Garden, United States Botanical Garden · +1

Washington, D.C.

An institution of the US Congress on the southern edge of the National Mall in Washington - founded 1820, formally opened 1850. The 1933 glass conservatory is one of the oldest walk-in greenhouses in the United States. Famed especially for its cycad collection including a 175-year-old sago palm - an heirloom from Jefferson Davis plantation.

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