Fancy a cup of home-grown brew? How Scottish tea is flourishing

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Sun-kissed hillsides in India, China, Kenya and Sri Lanka may produce the bulk of the world's tea but tea drinkers now have the opportunity to sample a Scottish home-grown brew. In Dumfries and Galloway Angela Hurrell is defying the climactic odds to produce a single-leaf tea that's served at London's Dorchester Hotel. Caz Graham presents. First broadcast on On Your Farm, 26 June 2016.