Begun in 1728 by the pioneering botanist John Bartram, this is America's oldest surviving botanical garden, located in Philadelphia, Pennsylvania. Bartram, with his son William, introduced into cultivation more than 200 of our native plants. With stone columns and carvings by Bartram himself, the furnished 1728 Swedish farmhouse on the grounds reflects his unique vision of classical and Colonial architecture. The gardens include the nation's oldest ginkgo tree, a fragrant flower garden, and a riverside meadow.