The Easter weekend sees Monty replanting one end of the long borders with perennial plants. Carol is planting up her tiny vegetable plot and starting off some potatoes in bags while, in the anniversary garden, Joe starts to build the wall, steps and pathway.
Producer Louise Hampden ; Series producer Rosemary Edwards GARDENERS' WORLD MAGAZINE: the April issue looks at 40 years of the programme. On sale 27 March, priced E3.20
Alan Titchmarsh solves your gardening problems: page 50