Since the 1870s, it has been customary for most presidents to plant a commemorative tree during their time in office. These trees, varying in species and age, symbolize the evolving history of "The People’s House," with the White House Gardens undergoing continual transformations with each passing season and administration.

Several trees within the White House Grounds have roots dating back to the 1800s, with the oldest being a southern magnolia associated with Andrew Jackson. President Jackson himself planted these majestic southern magnolias, positioned just west of the South Portico, in honor of his late wife, Rachel, who passed away shortly before his inauguration in 1829.

The significance of the trees surrounding the White House serve both symbolic and practical purposes. These trees can symbolize diplomatic friendships between nations or a leader's aspiration to leave behind a lasting legacy for future generations. They also contribute aesthetically, each boasting its own distinct characteristics of shape, color, and flowers, creating a stunning array of diversity. These trees provide habitats for various animals residing on the White House grounds. Lastly, the trees offer security, privacy, and solace to those who inhabit, work in, or visit this historic location.

Folklore tells us that these two southern magnolia trees were planted by President Andrew Jackson with seeds brought to Washington from the Hermitage, the President’s home near Nashville, Tennessee. The seeds were planted to honor the memory of Jackson's late wife, Rachel, who had died suddenly just months prior to him assuming office. Historical photographic documentation shows that magnolias first appeared at this location near the South Portico in the 1860s, still the trees are attributed to President Jackson. In 2006, the trees were designated as Witness Trees by the National Park Service, having borne witness to many “significant historic and cultural events.” The magnolia was subject to significant branch removal and pruning in December 2017. The Jackson Magnolia was a primary feature on the back of the US $20 bill until 1998 as seen below.