She graduated from Burnley Horticultural College in 1948, which was very unusual for a woman at that time. She then completed a diploma in landscape design at the Kings College, Durham University in the late 1950s. She worked for
Basildon Development Corporation for 'almost four years' before returning to Australia in 1961. In 1962 she undertook work for the
Housing Commission of Victoria, producing landscaping treatment for the Coppin St. Estate of "Low Rental Units" in
Richmond. Between 1963 and 1974 she was employed by the National Capital Development Commission to work on the landscape development of Canberra. Hendry presented a paper at the Australian Garden Historical Society conference in the mid-1990s on the landscape development for the parliamentary area. In 1992, she was awarded the
Medal of the Order of Australia for her service to women's affairs. == Legacy ==