Monty Don, Joe Swift and the team continue their tour of the Hampton Court Palace Flower Show. Arit Anderson and Mark Lane take a look at the show gardens designed to deliver powerful messages, whilst Monty meets the designer who is greening up Britain's brownfield spaces. Nick Bailey investigates how best to care for orchids and Toby Buckland showcases the best house plants at the show. Carol Klein reveals the pollinators best suited to British gardens, whilst Rachel de Thame meets the team putting Australasian plants on the map here in the UK. Adam Frost concludes his masterclass on how plants can maximise your own garden's design credentials.