Plot: If you have been growing tomatoes along with Monty, he shows what you should be doing now that they have been planted out and gives advice on the summer maintenance of ponds. Nick Bailey travels to South Africa, where he searches for the wild cousins of one of the most vibrant of summer flowers, the crocosmia, and garden historian Advolly Richmond goes to Alton Towers to take a close look at the Victorian trend of creating theme parks in their gardens