RHS Expert Group Annual Awards

Celebrating individuals who make an exceptional contribution to the world of plants, helping to advance horticulture and inspire others

What are the RHS Expert Group Awards?

The RHS Expert Group Annual Awards recognise people who have made an outstanding contribution within a specialist plant group. Established in 2019, the awards celebrate excellence in science, propagation, conservation, literature, journalism and botanical art. Open to amateurs and professionals of any nationality, they highlight the expertise and dedication that enrich the world of plants.

RHS Expert Groups present awards named in honour of individuals who have made a lasting impact within their area of expertise. Nominations are submitted by RHS Expert Group members and the awards recognise those whose knowledge, research, advocacy or practical work has advanced horticulture and inspired others within their specialist plant community.

Celebrating the people behind the plants

Meet the recipients recognised for their contributions to specialist plant groups

Sir Daniel Hall Award winner

Ian and Maggi Young (2025)

About the award

Sir Daniel Hall was a renowned tulip breeder and author. Daniel was a member of the RHS Narcissus and Tulip Committee for many years and served on the Classification Committee responsible for producing the first lists of tulip names and their classification. Some of his tulip introductions still exist today. This award in his name is presented by the RHS Bulb Expert Group in recognition of significant personal achievement with bulbs and related plants.

Sir Daniel Hall Award

The winner’s achievements

Ian and Maggi Young
Ian and Maggi have been longstanding supporters of the Scottish Rock Garden Club (SRGC), making an exceptional contribution to the study and enjoyment of bulbs and alpine plants. A former SRGC President, Ian is widely known for his influential Bulb Log, published for more than 20 years, and for his authoritative work on Erythroniums. As editor of The International Rock Gardener and moderator of the SRGC Forum, Maggi has helped create valuable platforms for sharing horticultural knowledge and connecting growers worldwide. Together, they have fostered an international community of plant enthusiasts and made specialist horticultural knowledge accessible to countless gardeners.
Previous winners
  • 2024: John Page
  • 2023: Michael Baxter
  • 2022: Johan van Scheepen
  • 2021: Keith Eyre
  • 2020: Janis Ruksans

George Lockie Award winner

Scott Raffle (2025)

George Lockie Award

Left to right: Scott Raffle and Gerry Edwards

About the award

George Lockie was one of the great figures in post-war British horticulture. He was a longstanding member of the RHS Fruit, Vegetable and Herb Committee and was awarded the RHS Victoria Medal of Honour in 2004, the year before his death. This award is presented by the RHS Fruit, Vegetable and Herb Expert Group in recognition of significant personal achievement relating to fruit, vegetables or herbs.

The winner’s achievements

Scott Raffle
Scott has spent more than 30 years at the heart of the UK’s fruit industry. A horticulture graduate of the University of Strathclyde, he worked as a fruit adviser and agronomist with the Agricultural Development Advisory Service (ADAS) before moving to the Horticultural Development Council (HDC) and Agriculture and Horticulture Development Board (AHDB), where he helped communicate research findings and best practice to growers across the sector. Now Knowledge Exchange Manager at the National Institute of Agricultural Botany (NIAB), Scott continues to play a key role in connecting research with commercial production. By championing research, innovation and practical solutions, he has transformed the way knowledge is shared. His efforts have delivered widespread benefits and helped strengthen the industry as a whole.
Previous winners
  • 2024: Margaret and Susan Robinson
  • 2023: Philip Gomersall

Alan Bloom Award winner

Rosy Hardy (2025)

About the award

The name of Alan Bloom became synonymous with Bressingham, the garden he created by expanding the family nursery in Norfolk. He introduced over 170 new plants during his lifetime. Alan was awarded the Victoria Medal of Honour in 1971 and was made an MBE in 1997. The Alan Bloom award is presented by the RHS Herbaceous Plant Expert Group in recognition of significant personal achievement relating to herbaceous perennials and hardy annuals.

Alan Bloom Award

Left to right: Alan Titchmarsh, Rosy Hardy and Phil Johnson

The winner’s achievements

Rosy Hardy
Rosy is one of the UK’s most respected plantswomen and co-founder of Hardy’s Cottage Garden Plants. Since establishing the nursery with her husband Rob in 1988, she has helped grow it into one of Britain’s leading retail herbaceous nurseries, renowned for its extensive range of historic and new plant introductions. Committed to high-quality, peat-free production, Rosy has played a significant role in promoting excellence in British horticulture. The nursery has received numerous awards over the years, including 24 RHS Chelsea Flower Show Gold medals.
Previous winners
  • 2024: Dr Andrew Ward
  • 2023: David Ward

Jim Archibald Award winner

Martyn Denney (2025)

Jim Archibald Award

Left to right: Martyn Denney and David Millward

About the award

After running a nursery for some years, Jim Archibald travelled the world collecting specimens and seeds. His annual seed lists offered a range of unusual and rare plants, and their introductions were always erudite, well informed and witty. This award in his name is presented by the RHS Alpine and Rock Garden Expert Group in recognition of significant personal achievement relating to rock garden and alpine plants.

The winner’s achievements

Martyn Denney
Martyn has made a significant contribution to the study and promotion of the genus Cyclamen through his longstanding work with the Cyclamen Society. As Chair of the Society’s Research Committee for more than 25 years, he has supported field research, conservation and education relating to the genus. Martyn has contributed to key publications, including the authoritative monograph Cyclamen: A Concise Guide and served as editor of the Society’s journal for 14 years. Through his research, writing and lectures, he has helped advance knowledge and appreciation of this genus among horticultural audiences worldwide.
Previous winners
  • 2024: Robert Rolfe
  • 2023: Melvyn Jope

Westonbirt Orchid Medal winner

Arthur Bell (2026)

About the award

Established from a fund presented to the RHS in 1960 by H G Alexander in commemoration of the orchid collection at Westonbirt, the Westonbirt Orchid Medal is presented by the RHS Orchid Expert Group in recognition of outstanding scientific, literary or other personal achievement in connection with orchids.

Westonbirt Orchid Medal

Left to right: Liz Nicholson and Arthur Bell

The winner’s achievements

Arthur Bell
Arthur has dedicated nearly 50 years to Burnham Nurseries, joining the business as a school leaver at the age of 16. Since then, he has become a familiar and much-loved figure at orchid shows across the UK, helping generations of growers discover and enjoy orchids. Through his knowledge, enthusiasm and willingness to share advice, Arthur has encouraged countless people to take up orchid growing. He has also played an important role in Burnham Nurseries’ success, contributing to numerous RHS Gold medals, including 20 at the RHS Chelsea Flower Show. Widely recognised for his commitment to the orchid community, Arthur has made an outstanding contribution to orchid growing in the UK.
Previous winners
  • 2024: Ian Butterfield
  • 2023: Simon Pugh-Jones

Maurice Mason Award winner

David Cooke (2025)

Maurice Mason Award

Left to right: Greg Redwood and David Cooke

About the award

Maurice Mason was originally a farmer who came to horticultural prominence for his plant collecting and his glasshouses – at one time he had 18 of them. In the 20th century, he was the single most important promoter of the exotic glasshouse collections in Britain. The Maurice Mason Award is presented by the RHS Tender Ornamental Expert Group in recognition of significant personal achievement relating to ornamental plants generally considered to be tender in the UK.

The winner’s achievements

David Cooke
David has dedicated almost 50 years to the Royal Botanic Gardens, Kew, becoming one of its most respected and knowledgeable plantsmen. Since joining Kew in 1977, he has played a key role in the care and development of its glasshouse collections, contributing to major restoration projects including the Palm House and Temperate House. Known for his exceptional knowledge of Kew’s collections and history, David has generously shared his expertise with generations of students, trainees and colleagues. His commitment to horticultural excellence and the gardens he has served for nearly five decades has made a lasting impact on Kew and the wider horticultural community.
Previous winners
  • 2024: Mike Clifford
  • 2023: Richard Axtell
  • 2022: Doug Jones
  • 2021: Stephen Jakusz
  • 2020: Not awarded
  • 2019: Frank Davies

Sir Harold Hillier Award winner

Michael White (2025)

About the award

Sir Harold Hillier was a prominent horticulturalist who served as Vice President of the RHS from 1974 and was awarded the Victoria Medal of Honour and was knighted in 1983 for his services to horticulture. Harold Hillier’s remarkable collection, the Hillier Arboretum near Romsey, was assembled over many years to bring together the most comprehensive collection of trees, shrubs and hardy plants in the UK. The Harold Hillier Award is presented by the RHS Woody Expert Group in recognition of significant personal achievement relating to hardy trees and shrubs.

Sir Harold Hillier Award

Michael White, image © Mount Congreve Gardens

The winner’s achievements

Michael White
Michael has spent more than 40 years at Mount Congreve Gardens, home to one of Europe’s finest collections of rhododendrons, camellias and magnolias. Beginning his career there as a teenager, he rose to become Curator and is widely recognised as one of Ireland’s leading plantsmen. Renowned for his expertise in woody plants and his work in plant selection and hybridisation, Michael played a key role in safeguarding the future of the gardens and their collections following the death of Ambrose Congreve. He was awarded the RHS AJ Waley Medal in 2006.
Previous winners
  • 2024: Jan Ravensberg
  • 2023: Chris Trimmer

Have a question?

For more information about RHS Expert Group Awards or Nominations, please contact the RHS Expert Groups team.

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