Joe Swift, Jo Whiley and team continue their tour of the RHS Hampton Court Palace Flower Show. Toby Buckland reveals his top al fresco design tips, Adam Frost takes a look around a garden with its own bar, Frances Tophill shows how to create impressive summer containers, and Arit Anderson enjoys the outdoor life in a Scandinavian-inspired garden. Also joining them tonight is Carol Klein, who finds out about new varieties of hydrangeas, Juliet Sargeant explores the importance of grasses and seed heads, Mark Lane looks at a perennial favourite, rose, and Nick Bailey speaks to one of the leading garden designers of our time, Piet Oudolf, who has been named the RHS Horticultural Hero of 2018.