Tidying the 300-year-old, 40ft-tall, 150ft-wide hedge is a two-man job that takes 12 days.
The clippings – this year amounting to nearly a ton – are used to produce a life-saving cancer drug called taxol.
You can visit and see for yourself – the public are welcome every day of the year at the estate and entry is free.
There are even holiday cottages on the property if you fancy a longer stay. And if you book a week in early September, chances are you'll see the hedge-cutting for yourself.
Why you should trim your hedge this weekend
Is now the time for a short back and sides?
Hedgelaying: getting started
We tell you how to get started in the fascinating art of hedgelaying
How to plant a hedge
Alan Titchmarsh talks about the wonders of hedges.
Top tips for topiary
Topiary lifts seasonal gloom and gives the garden a clean, solid framework.
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‘Reactions to the French in the 1870s varied from outrage to curious interest’: Impressionism's painstaking ten year journey to be taken seriously by the BritsClaude Monet and Camille Pissarro spent time in London, but it took James McNeill Whistler to act as artistic bridge with Britain and the ‘sweetened’ Impressionism of Jules Bastien-Lepage to inspire most homegrown painters.
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Rogue sellers and puppy farmers are exploiting Government licensing loopholes at the expense of responsible dog breeders, says The Kennel ClubThe Kennel Club launched a report in the House of Commons last week calling for an urgent review of current licensing regulations.
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The 'Rose Labyrinth' of Coughton Court, where 200 varieties come together in this world-renowned garden in WarwickshireVal Bourne finds the award winning-roses flourishing at Coughton Court in Warwickshire, where the historic garden is now in the hands of the latest in many generations of the same family. Photography by Clive Nichols.
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'None of this would be here had the tithe barn not burned down that night’: How the terrifying destruction of a medieval landmark sparked the creation of the magnificent gardens of Bledlow ManorAfter inheriting the Bledlow Manor in 2018, Lord Carrington has been devoted to the thoughtful renewal and replanting of this historic Buckinghamshire garden. Tiffany Daneff reports, with photography by Clive Nichols.
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'The whole house shook. Everything was white. For four months, it felt as if we were on Mars': The story behind one of Hampshire's most breathtaking gardensWhen Kim Wilkie sculpted a tiered grass amphitheatre behind this 17th-century house, the garden finally settled into place, as Non Morris discovers.
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Myddleton House: The place that 'will help you learn what true gardening is' is open to everyone, and just 30 minutes from central LondonE. A. Bowles created a horticultural playground in the gardens of Myddleton House that was years ahead of its time, and continues to influence even today. Isabel Bannerman takes a look.
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Wakehurst: 500 years of history, 2.4 billion seeds, 500 acres of planting, and scientists who might just save us allCharles Quest-Ritson takes a look at the amazing work that's been done to update Wakehurst, Kew's trailblazing outpost in Sussex.
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A dozen slices of al fresco inspiration from the best designers in BritainAmelia Thorpe shares her pick of the most beautiful outdoor furniture and accessories to help you make the most of summer.
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'Victorian magnificence skilfully simplified and distilled': A peek at the restoration of Somerleyton Hall gardensRecent works have retained the former theatrical splendours of these gardens near Lowestoft, Suffolk, finds Tilly Ware.
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Alan Titchmarsh: I've tried every slug control known to man, and these are the only things that have ever worked for meAlan Titchmarsh is as charming, warming and friendly a man as anyone you'll ever meet. Unless, of course, you're a slug... in which case you'll awaken his ruthless side.
