Alan Titchmarsh and Joe Swift talk to the gold-medal-winning designers and reveal who has won Chelsea's prestigious Best in Show award.
Rachel De Thame finds out what it takes to win gold in the Great Pavilion and Nigel Slater gives an exclusive look around the kitchen garden at his home in London.
click here to see where to watch or .
Ready to Watch RHS Chelsea Flower Show, Season 2011, Episode 6?