Monty plants mahonia for winter colour and scent, demonstrates how to take salvia cuttings and introduces a special addition to Longmeadow. Toby Buckland visits an allotment in Bristol to find out how gardening is helping to improve the quality of life for people with dementia and their carers. Advolly Richmond explores the origins of the historic Japanese Garden at Cowden in Clackmannanshire. There's a back garden in Leeds which has been transformed into a tropical oasis, and a grower in Ceredigion shares her passion for salvias. Also, more viewers share what they’ve been getting up to in their gardens.