Series One is a twelve part month by month journey through the garden, following the work of a committed team of experts offering a unique insight into the gardens, glasshouses, laboratories and museums that give Kew its reputation for excellence. Series Two is narrated by former student of Kews School of Horticulture, Alan Titchmarsh, who takes us behind the scenes through ten episodes, focusing on the millions of visitors passing through the gardens each year, including Royal Families of England and Saudi Arabia. Series Three is ten episodes which chart the story of the year from the buds of spring to the sweltering days of summer. This series enters the lives of the people who care for Kew, demonstrating how important plants are for medicine and conservation around the world.