2/8. "Horticultural therapists" Amanda Brooks and Andre Smith are in Wiltshire to transform the cottage garden of Sophie and Martin Langley Chappell. Six years ago, Sophie lost an unborn child. She subsequently suffered four miscarriages. During this terrible time, she worked frenetically in the garden to distract herself from her grief and it now acts as a reminder of those painful years. Can Andre and Amanda remove these negative associations and help Sophie to move on? Director Zazie Mackintosh ; Series producer Claire Hobday Alan Titchmarsh 's tips: p32; Bearded iris offer: p36