Nicki Chapman and Angellica Bell have exclusive access to the glitz and glamour of opening day of the RHS Chelsea Flower Show 2023. They're joined by a team of gardening experts, including Rachel de Thame, who will be travelling the world without even leaving the showground, and Toby Buckland, who will be showing us how to upgrade our gardens the Chelsea way.Carol Klein is searching out the hidden treasures we're all going to want in our gardens, while James Wong uncovers the secrets to our lawns. And as the show hosts its very first wedding, Nicki gets a lesson in creating floral garlands worthy of any celebration.