At Longmeadow, Monty Don makes space in the writing garden for plants that will flower later in the season and plants out tender vegetables for late summer harvests. Cameras revisit Frances Tophill's allotment to join her as she demonstrates an unusual method of reducing weeds and also catch up with a gardener in Wales who has dedicated years to breeding some very special varieties of rhododendrons. Plus, Joe Swift heads to Devon to find out about the design and planting challenges faced when creating a coastal garden.

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.