Originally trained at Hertfordshire College of Horticulture and Royal Botanic Gardens, Kew, Alan Titchmarsh is the author of over 40 books about gardening, including How to be a Gardener Book 1: Back to Basics , the fastest-selling of all time in the genre, and the bestselling The Kitchen Gardener: How to Grow Your Own Fruit and Veg. He writes for BBC Gardeners' World Magazine , and is gardening correspondent for the Daily Express and Sunday Express. He has presented Gardeners' World , the annual coverage of The Chelsea Flower Show and Nature of Britain , and has his own daily chatshow.