As well as turning our favourite Christmas plants into remedies, indulgent gifts and amazing decorations, James also travels the length and breadth of Britain to seek out the country's best Christmas tree, mistletoe and holly growers. And to top it all, he serves up festive drinks, snacks and canapés - all made from plants - around the fire at his winter garden party.
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Ready to Watch Grow Your Own Drugs for Christmas, Season 1, Episode 1?