Nicki Chapman and James Wong capture the buzz of the show's opening day as celebrities and VIPs descend on the event. Nicki and James talk to the Rich Brothers and meet the famous names behind the Radio 2 Feel Good Garden, dedicated to scent. Meanwhile, Carol Klein embarks on world tour of plants in the Great Pavilion, beginning in Africa.

Monty Don and Joe Swift launch BBC2's celebrations at the RHS Chelsea Flower Show and give their first thoughts about the show gardens. Joanna Lumley shares her passion for plants