 In 1968 it began to publish a newsletter, entitled "Rea" in 1969, and dedicated to Giovanni Francesco Rea (1773–1833), one of the earliest botanists to study flora of the Val Susa and Val Sangone.In the 1970s Bellia created collections of exotic plants, particularly succulents, and explored the Val Sangone collecting its rare plants.In 1989 the Garden was purchased by the Piedmont Region to become part of the Museo Regionale di Scienze Naturali di Torino, and in 1992 it opened to the public.