The definitive guide to bulbs, including all the new varieties and up-to-date techniques for care. From Alan Titchmarsh's How to Garden series of gardening handbooks

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. A frequent broadcaster, Alan has covered The Chelsea Flower Show for the BBC for over 25 years, he has a seasonal daily chat show on ITV, and a weekly show on Radio 2.