1904年佢喺靜安寺路買地300畝，使咗70萬兩銀元，起咗上海最大嘅私人花園愛儷園（哈同花園），係典型嘅中式園林。哈同仲好中意中華古典文化，喺花園入邊仲創辦咗倉聖明智大學。
In 1904, he bought 300 acres of land on Jing'an Temple Road, spent 700,000 taels of silver, and built the largest private garden in Shanghai, Aili Garden (Hartung Garden), which is a typical Chinese garden. Fortunately, Hartung likes classical Chinese culture, and founded Cangsheng Wise University in the garden.