It was built in 1950 and displays more than 1,700 tropical and subtropical plant species, as of 2016.

[1] The Shinjuku Gyo-en Greenhouse was built on the site of a private mansion, property of daimyō Naitō Nobunari.

A government-managed agricultural experiment station was established there in 1872, and was later converted into an imperial garden in 1906.

The space was utilised for international diplomacy, and was re-designed and opened to the public after World War II.

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