50 Shades of Green

Britain's favorite gardener, Alan Titchmarsh, celebrates horticulture around the UK as he counts down his 50 favorite things. With appearances from friends and experts who share his passion-including Mary Berry and Griff Rhys Jones-Alan visits the gorgeous greenery at Kew Gardens, Blenheim Palace, Chatsworth House, and even the place where it all began for him: his grandfather's vegetable garden.