Joshua and his twin brother Samuel established the botanical garden or arboretum on their property which eventually became known as Longwood Gardens, described as "America's premier public display garden," and a popular tourist attraction located 30 miles outside Philadelphia at Kennett Square, PA.1321
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In 1700, [Correction: 1701] a Quaker family named Peirce purchased the property [Longwood Gardens] from William Penn and soon established a working farm. Joshua and Samuel Peirce began planting an arboretum on the farm in 1798. The farm was purchased in 1906 by Pierre du Pont so he could preserve the trees, and from 1907 until the 1930s Mr. du Pont created most of what is enjoyed today.2489

[See Joshua and Samuel’s great-grandfather George Peirce Sr. (1655-1733) notes about the origins of this property that came to be known as Longwood Gardens.]