1943 – Young Queen Elizabeth gardens
Princess Elizabeth (now Queen Elizabeth II, left) and her younger sister Princess Margaret Rose (1930 – 2002) working on their allotment in the grounds of Windsor Castle, 11th August 1943. They are taking part in the government’s ‘Dig For Victory’ campaign. (Photo by Topical Press Agency/Hulton Archive/Getty Images)
Princesses Elizabeth and Margaret garden at Royal Lodge, Windsor
Photo by Lisa Sheridan/Studio Lisa/Getty Images
April 1940: Queen Elizabeth II (left), as Princess Elizabeth, and her younger sister Princess Margaret Rose (1930 – 2002) working in the garden at Royal Lodge, Windsor, which they created and look after themselves.
Source: http://www.cityfarmer.info/2014/03/07/1949-young-queen-elizabeth-gardens/