Pippa trained as a botanist at Durham University (BSc hons) and then gained an MSc. in Crop Protection at Reading University. In 2007 she was awarded an honorary Doctorate of Science by The University of Durham.
In 1985 Pippa joined the staff of The Royal Horticultural Society's Garden at Wisley in Surrey, where she ran the Plant Pathology Department, answering several thousand queries from gardeners every year. In 1988 she began working for the BBC, joining Alan Titchmarsh for the gardening slot on BBC 1's Daytime Live and for over 13 years was a regular presenter on BBC 2's 'Gardeners' World'. Pippa is also a regular panelist on BBC Radio 4's Gardeners' Question Time.
From 2000-02 she presented her own series, 'Growing Science' on Radio 4 and for several years was the presenter on BBC Radio Solent's 'Topsoil with Pippa Greenwood'.
She has guested on a number of television and radio programmes including : Tomorrow's World, You and Yours, Woman's Hour, This Morning, GMTV, Breakaway, Grass Roots and Call my Bluff.
Pippa was the gardening consultant for the ITV murder mystery series Rosemary and Thyme.
She writes for BBC Gardeners' World Magazine, NFU Countryside, Garden Answers, and for 18 years was the gardening columnist for The Mirror. In addition, she writes a regular blog for BBC Gardeners' World Website.
Pippa's books include the bestsellers, 'New Gardener' (in excess of one and a quarter million copies sold) & Gardening Hints and Tips, Garden Pests and Diseases, Garden Problem Solver, Flower Gardener, Pippa's Organic Kitchen Garden, A Garden for All Seasons, Pippa Greenwood's Gardening Year, 1001 Ways to be a Better Gardener.