She was the first woman to compete in hedge laying competitions in England, including at Eccleshall in 1976 and Fernie Hunt in 1981[1] She was the author of Hedgelaying Explained (1985).
"[7] When she rented a field for her horses that was "not stockproof" she couldn't afford to have a fence built, so laid a hedge herself.
[8] She earned an ATB Proficiency Certificate in hedge laying[9] and travelled the "length of England studying regional styles.
[15] Together with Fred Whitefoot and Clive Matthew, Greaves co-founded the National Hedgelaying Society (NHLS) on 11 November 1978, to try to ensure that the skills of hedge-laying, developed over centuries, were not lost.
[20] By 1998 she had become the society's vice-president, and was called to speak at a parliamentary select committee about hedge protection, dating, removal and planting on behalf of the NHLS.