Adam Frost adds tall plants for shady conditions to his borders, shows how to make a window box for growing vegetables and herbs and gives tips on how to grow plants successfully in peat-free compost. Nick Bailey visits Kew Gardens to explore their collection of ferns and cameras return to the urban garden of Kate Bradbury to find out how she ensures that visiting wildlife is kept well fed throughout the summer months. Plus, the Isle of Man garden where a range of exotic plants are thriving in the microclimate on the island and a nurseryman in Kent with a passion for hydrangeas.