At Longmeadow, Monty Don shows how to prune spring-flowering roses and makes successional sowings of vegetables to ensure continuous crops. Adam Frost gives tips helping plants cope with drought conditions and shows how to save precious water. The programme meets two sisters from Dorset who have discovered a new love of gardening, supported in their efforts by many followers on social media, and in Bognor Regis visits a gardener who has used unusual materials and bargain plants to create her own dream garden. Plus, Frances Tophill heads to Hertfordshire to meet a couple of brothers whose gardens are designed with wildlife in mind and in.