Dr. Russell Sharp discusses the struggle of the UK and European hydroponic sector, focusing on recent enforcement in the Netherlands over continuous in-line dosing of hydrogen peroxide. He explains why regulators flagged the practice, the science behind peroxide breakdown, and his frustration with overly rigid enforcement.

Russell also offers practical advice: avoid continuous peroxide dosing to protect roots and yields, keep systems clean, and use peroxide sparingly. He reflects on the wider impact of regulation on innovation and shares how his company adapts to EU rules.

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Matthew Appleby — Horticulture Week

Sally Drury — Horticulture Week

Gavin McEwan — Horticulture Week

Clare Foggett — The English Garden

Vivienne Hambly — The English Garden

Sue Fisher — BBC Gardeners’ World Magazine

Emma Crawforth — BBC Gardeners’ World Magazine

Kevin Smith — BBC Gardeners’ World Magazine

Miranda Janatka — BBC Gardeners’ World Magazine

Kay Maguire — BBC Gardeners’ World Magazine

Daniel Haynes — Gardeners’ World

Catherine Mansley — Gardeners’ World

Sonya Patel Ellis — Gardeners’ World

Kate Bradbury

Greg Loades

Veronica Peerless — Gardens Illustrated

Kate Jacobs — Gardens Illustrated

Tim Richardson — Gardens Illustrated

Alys Fowler

Jane Perrone

Alexandra Campbell

Alice Vincent

Alice Lascelles — Financial Times

Tom Heap — BBC

James Wong

Val Bourne

Anne Swithinbank

Bob Flowerdew

Mark Diacono

Cleve West

Sarah Raven

Annie Guilfoyle

Andrew Timothy O’Brien

Jonathan Buckley

Tamsin Hope Thomson

Nic Wilson

Kim Stoddart — Amateur Gardening

Alan Titchmarsh

Monty Don

Carol Klein

Joe Swift

Pippa Greenwood

Paul Green

Noel Kingsbury

Marian Boswall

Jack Wallington

Alice Bowe

Jane Courtier

Rachel de Thame

Lucy Chamberlain

Carolyne Roehm

Noel Kingsbury

Nigel Slater — The Observer

Anna Pavord

Penelope Lively

Beth Chatto

Christopher Lloyd

Vita Sackville-West

Gertrude Jekyll

Margery Fish

Dan Pearson

Tom Stuart-Smith

Armitage Shanks (No, wrong)

Toby Buckland

Fergus Garrett

Sarah Cuttle

Lia Leendertz

Matthew Biggs

Peter Seabrook

Bunny Guinness

Alice Doyle

Jamie Butterworth — RHS

Guy Barter — RHS

Helen Yemm — The Telegraph

Jane Moore

Debora Robertson

Mary-Kay Wilmers

Emma Townsend

Jessica Damiano — Associated Press

Adrian Higgins — The Washington Post

Margaret Roach

Ken Druse

Jeff Lowenfels

Doug Oster — Pittsburgh Post-Gazette

Maria Rodale

Danielle Sherry — Fine Gardening

Jeremie Fant — Fine Gardening

Caitlin Boyle — Fine Gardening

Erin L. Schanen — Fine Gardening

Lisa Negri — Fine Gardening

Benjamin Vogt

Roy Diblik

Kelly D. Norris

Nancy J. Ondra

Allan Armitage

Piet Oudolf

Noel Kingsbury

Michael Pollan

Joe Lamp’l

P. Allen Smith