With gardens now going into hibernation, Monty Don is busy lifting and storing tender plants to keep over winter. This time of year is also about planning ahead for winter displays and spring colour and Monty has ideas and tips for planting up garden pots to provide a focal point through the coldest months. Rachel de Thame sees firsthand the mania for tulip growing in Holland when she visits the world's largest spring garden, Keukenhof. Joe Swift visits TV presenter Esther Rantzen and gets a privileged guided tour around her much-loved garden. Meanwhile, Carol Klein is at Glebe Cottage celebrating the dazzling delights of our autumn borders in the form of vibrant bulbous plants from South Africa