[3] In 1986, JEA began an important preservation program which grows seedlings from Treaty Oak acorns and makes them available through Greenscape for replanting throughout the city.

During that time, the tree was festooned with electric lights and witnessed Babe Ruth playing baseball and John Philip Sousa performing a concert.

[5] In the 1930s, the Garden Club of Jacksonville and Pat Moran began efforts to raise awareness and preserve the tree, which was targeted by developers.

[6] The city acquired additional property now included in the park, and the preserve was named in honor of Jessie Ball duPont, an ardent philanthropist and part-time Jacksonville resident, after her death in 1970.

It is a favorite spot for workers in nearby buildings who eat lunch, read a book or just sit and converse in the shade of its canopy.