Matthew Biggs trained at The Royal Botanic Gardens, Kew, has presented numerous TV gardening programs and is a regular on UK radio. Author of and contributor to several books and magazines, Matthew is also a highly regarded lecturer. He has travelled widely and is fascinated by global gardening.

Jekka McVicar is a renowned expert on all things herbs, and her herb farm near Bristol boasts the largest collection of culinary herbs in the UK, with more than 650 varieties.

Her passion and knowledge of the subject is clear to see, and she is a well-established author, with titles including- Jekka 's Complete Herb Book; Jekka ' Herb Cookbook; Seeds- the ultimate guide to growing successfully from seed; New Book of Herbs; The Complete Book of Vegetables, Herbs and Fruit; Grow Herbs; Jekka 's Medicinal Herbs; RHS Seeds. She also contributes to a number of national publications, including BBC Gardener 's World Magazine, BBC Good Food, Gardens Illustrated and the Guardian newspaper.

Jekka has an incredibly impressive sales history with her existing titles, and in 2014 her Complete Herb Book had notched up sales of over 1 million. Jekka has been designing, growing and creating herb gardens for over three decades, and during that time she has created gardens for Jamie Oliver, Le Manoir, The Hilton Trafalgar Cocktail Roof Garden, Babbington House and The Priory Hotel. She was awarded the RHS ' Victoria Medal of Honour for services to horticulture in 2017.

Bob Flowerdew is a regular on BBC's 'Gardeners Question Time' and writes for 'Amateur Gardening' and 'Gardeners World' magazines.

His garden has featured on many television programmes and in several leading publications.