In this episode, Charlie Harpur, head gardener of Knepp Castle’s newly rewilded Walled Garden in Sussex, constructs his dream garden. Choosing the nostalgia and sense of exploration from the gardens of his childhood to the feeling of adventure that he found while working at Villa Boccanegra in Italy, he also admits to being a plant nerd about alpines, reveals how things are progressing at the experimental Knepp project and reflects on how gardening saved his life.

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