Greenwood was born in London. Greenwood studied at
Durham University, where she trained as a
botanist. She went on to gain an MSc in
crop protection at
Reading University in the 1980s. For eleven years, from 1985, she ran the
Royal Horticultural Society's
Plant Pathology Department at
Wisley. She began working for the BBC in 1988, beginning with the gardening slot on Daytime Live. She appears frequently on the
BBC's long-running ''
Gardeners' World television programme and has been a regular panellist on Gardeners' Question Time on BBC Radio 4 since 1994. She also was the gardening consultant on the ITV series Rosemary and Thyme in 2003–2006. In 2000–2002 she presented the series Growing Science'' on Radio 4. In 2007, Greenwood made a return visit to Durham University, where she was awarded an honorary doctorate. Greenwood is married with two children, and lives outside
Petersfield in
Hampshire, in the South Downs. She is President of Petersfield in Bloom, and Patron of Hampshire's only wildlife hospital, Hart Wildlife, near
Medstead. ==Bibliography==