H. Ralph Schumacher has gardened with his wife, Elizabeth, since 1967 and created an award-winning terraced hillside garden in Gulph Mills, Pennsylvania. He has written about their...ver maisH. Ralph Schumacher has gardened with his wife, Elizabeth, since 1967 and created an award-winning terraced hillside garden in Gulph Mills, Pennsylvania. He has written about their garden in various publications, opened it to many groups over the years as it evolved, and most recently had it recognized by inclusion in the Smithsonian Institution’s Archives of American Gardens.ver menos