Alfred D. Robinson (1866–1942) and his wife Marion James Robinson (1873–1919) were wealthy residents of San Diego, California known for their impact on gardening and the cultivation of flowers, particularly begonias. Their extensive home garden was used to propagate and develop more than 100 new varieties of ornamental flowers and was later opened to the public as Rosecroft Begonia Gardens. Rosecroft was the name of their estate in the Point Loma neighborhood of San Diego. The residence, built for them in 1912, is now listed on the National Register of Historic Places.

Rosecroft is a historic estate and gardens in the Point Loma neighborhood of San Diego, California. It was built in 1912 by architect Emmor Brooke Weaver for wealthy heiress Marion James Robinson, née Marion James Duncan (1873-1918), and her husband Alfred D. Robinson (1866-1942), a retired medical instrument merchant. Rosecroft is listed on the National Register of Historic Places.