The Marsh Botanical Garden is a botanical garden and arboretum located on the Yale University campus at 265 Mansfield Street in New Haven, Connecticut, United States.
Wikipedia https://en.wikipedia.org/wiki/Marsh_Botanical_Garden
Address 299 Mansfield St, New Haven, CT 06511, USA
Coordinates 41°19'18.202" N -72°55'28.615" E