This week, Adam Frost is at home sharing his love of ornamental grasses, tackling the problem of building a patio on a slope and giving some inspiration on what to plant at the base of a wall.In Margate, the team visit a man who has come up with a unique way of using a shed roof to grow vegetables, and they travel to Swansea to meet inspirational gardener Sue Kent, who shows how she has designed her garden to enable her to garden successfully despite her upper limb difference.There is a second chance to see Joe Swift visiting a garden in Devon, where the planting combinations have been inspired by world travel, and in Hampshire, a sea captain explains how he has created a low-maintenance garden using foliage and structural plants.