RHS Horticultural Committee
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| RHS Horticultural Committee | |
|---|---|
| Name | RHS Horticultural Committee |
| Formation | 19th century |
| Type | Committee |
| Headquarters | Lindley Library, London |
| Parent organisation | Royal Horticultural Society |
| Region served | United Kingdom and international |
RHS Horticultural Committee is the principal advisory body within the Royal Horticultural Society for plant selection, exhibition standards, and horticultural policy. It provides recommendations that affect planting practice at venues such as RHS Garden Wisley, RHS Garden Harlow Carr, RHS Garden Hyde Hall, and informs awards given at events like the Chelsea Flower Show, Tatton Park Flower Show, and RHS Hampton Court Palace Flower Show. The committee interacts with institutions including the Linnean Society of London, the Kew Gardens (Royal Botanic Gardens, Kew), the National Trust, and academic bodies such as the University of Oxford, University of Cambridge, and Royal Botanic Garden Edinburgh.
History
The committee traces its origins to 19th-century reform movements within the Royal Horticultural Society alongside figures from the Victorian era such as plant collectors sponsored by patrons from the British Empire and explorers linked to the Royal Geographical Society. Early interactions involved correspondence with botanists at Kew Gardens, collectors like Joseph Dalton Hooker, and nurseries in Chelsea and Glasgow. In the 20th century the committee influenced wartime and postwar planting policy connected to initiatives led by the Ministry of Agriculture and Fisheries and consulted with horticultural faculties at the University of Reading and the University of Bristol. During the late 20th and early 21st centuries it engaged with conservation projects alongside organizations such as the World Wildlife Fund, the National Trust, and the Botanical Society of Britain and Ireland.
Responsibilities and Functions
The committee sets standards for plant trials and cultivar recognition in coordination with bodies like the Plant Heritage (National Council for the Conservation of Plants and Gardens) and the International Union for Conservation of Nature. It evaluates submissions for awards administered at shows organized by event partners including BBC Gardeners' World Live and works with horticultural research centres such as the Rothamsted Research and the John Innes Centre. The committee advises public gardens including Stourhead, Kew Gardens, and Chatsworth House on planting schemes, collaborates with heritage organisations such as the National Trust and the Historic Houses Association, and liaises with scientific publishers like the Linnean Society of London and the Royal Society. It provides guidance on disease and pest management together with laboratories such as the Centre for Ecology & Hydrology and agencies including the Animal and Plant Health Agency.
Membership and Organization
Membership typically includes horticulturists drawn from leading institutions: curators from Kew Gardens, directors from RHS Garden Wisley, professors from the University of Cambridge and the University of Oxford, and researchers from the Royal Botanic Garden Edinburgh and the John Innes Centre. The committee appoints specialists in taxonomy who publish in journals like the Kew Bulletin and collaborates with plant breeders associated with organisations such as the National Institute of Agricultural Botany and nurseries historically linked to families such as the Veitch family and firms like D. T. Brown & Sons. It has formal links with professional bodies including the Horticultural Trades Association and the Chartered Institute of Horticulture. Governance is subject to statutes of the Royal Horticultural Society and oversight comparable to other advisory committees within institutions like the Royal Society.
Decision-Making and Awards
The committee adjudicates awards and medals conferred at events including the Chelsea Flower Show, the RHS Hampton Court Palace Flower Show, and the RHS Tatton Park Flower Show, working with judges who may have affiliations to the Linnean Society of London, the Royal Horticultural Society, and universities such as the University of Reading. It sets criteria for honours analogous to the Victoria Medal of Honour and for plant awards aligned with the Award of Garden Merit. Decisions on cultivar merit and registration intersect with authorities like the International Cultivar Registration Authority and breeders represented by organisations such as the National Institute of Agricultural Botany. The committee issues guidance that informs government consultations involving departments like the Department for Environment, Food & Rural Affairs and connects with international bodies including the International Union for the Protection of New Varieties of Plants.
Influence on Horticulture and Policy
Through recommendations adopted by prominent gardens—RHS Garden Wisley, Royal Botanic Gardens, Kew, Royal Botanic Garden Edinburgh—the committee has shaped trends in bedding, perennial, shrub, and tree selections impacting commercial growers represented by the Horticultural Trades Association and retail chains historically tied to firms in Covent Garden markets. Its guidance has informed urban greening projects in cities such as London, Manchester, Birmingham, and Edinburgh and contributed to planting schemes at heritage sites like Kew Gardens and Stowe Gardens. Policy influence extends to biodiversity and conservation agendas in partnership with the Wildlife Trusts, the Royal Society for the Protection of Birds, and academic research at institutions such as the Imperial College London and the University of Sheffield.
Controversies and Criticisms
Critics have challenged committee decisions in cases involving plant patenting and breeder rights referenced against frameworks like the International Union for the Protection of New Varieties of Plants and in disputes involving commercial growers in regions such as East Anglia and Cornwall. Debates have arisen over award selections at high-profile events including the Chelsea Flower Show and concerns about representation among judges from institutions like the Royal Botanic Gardens, Kew, the Linnean Society of London, and universities including the University of Reading and the University of Oxford. Environmental campaigners from groups such as the Greenpeace and the RSPB have criticized aspects of planting advice tied to pesticide use, bringing the committee into dialogue with regulatory bodies like the Chemical Regulation Directorate and academic researchers at the Centre for Ecology & Hydrology. Accusations of conservatism in cultivar acceptance have prompted responses from plant breeders associated with the National Institute of Agricultural Botany and commercial nurseries.