How do people use their gardens? Is it for pleasure or practicality? The team look over the garden fence and get a glimpse of how gardeners create their gardens to fit their and their family's needs. Plus, the team pay a visit to garden designer James Alexander-Sinclair and take a look at head gardener Alys Fowler's own garden. Meanwhile, Joe and Carol are in the garden with summer gardening tips, and a neglected space at Berryfields is transformed into a romantic retreat.