Monty starts work on revamping the writing garden, plants crocus bulbs and harvests pumpkins.Frances Tophill visits a unique plant conservation centre responsible for preserving key historical plants, and Rekha Mistry collects and saves seed from her allotment while revealing the surprising results of her veg growing experiments.A man in Bath has a love of trees that has led to him creating an arboretum in his garden, and in Staffordshire, a gardener with a passion for plants shares her plot, which is brimming with pots and containers.Also, more viewers show what they've been getting up to in their gardens.