Information on the collections at this Arboretum in Gloucestershire. Details of the history, conservation activities, and for visitors.

Satellite of the Royal Botanic Garden, Edinburgh, north of Dunoon. National pinetum and rhododendron collection, with a mild climate and heavy winter rainfall. Open March to October. Information for visitors.

Among many other features, historic Roman, Mediaeval and Tudor gardens, a herb garden, the National Bonsai Collection, collections of tropical and desert plants, and an Education Centre. Includes a diary of events.

Details of the garden, teaching and conservation activity, and a list of events. Houses National Rose Collection. Virtual tour of the gardens.

Housed on a working farm near Kidderminster, Worcestershire. Information on the trees, the farm, and walks. Details for visitors.

Sussex botanic garden and park with a very diverse and large collection of trees and shrubs. Pictures; information on visitor facilities and access.

A private Norfolk garden and arboretum open for visitors on selected days. History, information, maps and pictures. Visiting details.

Collection of 4,500 species just outside Bristol from across the world, in beds and glasshouses; includes a collection conserving threatened plants native to SW England, and collections of plants used in alternative medicine.

Collections of British Native Plants, and Trees. Other gardens include Scented, Woodland, Winter, Rock and Genetic. Glasshouses house the tropical, desert and alpine collections. Education and events programme.

Kew at Castle Howard (North Yorkshire) is a wonderful arboretum set in the outstanding Howardian Hills containing many rare and endangered trees and shrubs.

Founded in 1673 by the Society of Apothecaries; one of Europe's oldest botanic gardens. Important Herb and Medicinal collections, and of Mediterranean plants. Information on history, events and visitor access.

Satellite of the Royal Botanic Garden, Edinburgh, north of Peebles. 300 years sustained planting of native and exotic trees. Open March to October.

In the Tyne Valley, this garden has over 500 medicinal plants on display. Information about garden, and courses run there.

Collections of plants native to the UK, and collections representative of the world. Information on the garden tour, education, events, and for visitors.

Information and pictures covering glasshouse and outdoor plant collections, art in the garden, walks, a virtual plant gallery, and visitor access and facilities.

Twelve glasshouses, with an important collection of tree ferns from Australia and New Zealand. Free admission.

Royal Horticultural Society Gardens outside Harrogate, N Yorkshire. National collections of rhubarb, ferns, fuchsia and heathers. Education programme, and special interest groups. Plant trials of benefit to gardeners in the North of England.

Arboretum and gardens in Kington, Herefordshire. Information on the history and the different parts of the garden, planted and worked by three generations of the same family.

Subtropical Garden and Visitor Centre in Bught Park, Inverness; also a Cactus House, demonstration gardens and nursery. Opening and access details.

Satellite of the Royal Botanic Garden, Edinburgh, in Galloway. Landscaped displays benefit from the Gulf Stream, and support research and conservation (especially rhododendrons and conifers). Open March to October. Includes information for visitors.

Opened in May 2000, in Llanarthne, Carmarthenshire. The project includes the Great Glasshouse, restoring 18th century formal gardens, woodland, species-rich grassland, and developing a demonstration organic farm.

Part of the University of Liverpool. Site includes virtual tour, history, general information, and list of events.

One of the earliest examples of a curvilinear and cast iron glasshouse, built for Belfast Botanical and Horticultural Society in the 1830s.

Founded in the 17th century, RBGE now has one of the world's largest collections of living plants, and of preserved specimens. Information on main garden at Inverleith, visitor access and facilities, and activities in research and education. Searchable databases.

Overview of the gardens, collections, conservation and research activities of the Royal Botanic Gardens. Information on tours, trails and the education programme.

Tranquil 35-acre garden, part of the Crown Estate. History of the garden and its development, events listing, and seasonal highlights in photographs. Details of admission and facilities.

Focus on progress in restoring the botanical and horticultural collections, the landscape and the buildings. Also covers the history of the gardens, their two national collections, plant of the month, visitor access, and includes a virual tour.

Diverse collection of hardy trees and shrubs from around the world, started by the late Sir Harold Hillier in 1953 and now covering 180 acres, in Romsey, Hampshire. Open to the Public.

Describes the Clyne Gardens, and the Botanic Gardens, and information about access and events.

Part of Conoco Natural History Centre, which supports teaching and study of botany in Aberdeen University, and is also open to the public. Collection of 2,500 plants recently catalogued.

Developed by Reading University for teaching and research. 12 acres (5 ha) of features include a walled garden, demonstration garden, and formal gardens.

A living tribute to the war-time generations of the twentieth century in Staffordshire. Includes information on events and visitor facilities.

Forestry Commission page describing this collection of conifers in Kent. Started as a joint project with Kew Gardens. Attractive to visit in all seasons.

Collection of almost 1,500 trees and shrubs from across the world. Three national plant collections are held in the arboretum (lime, walnut and ash). Also houses the Falconry of Thorp Perrow. Events calendar.

Brief details of the gardens, arboretum, and their education programme.

Tropical Glasshouse housing a collection of exotic ferns, cycads and angiosperms.

Gardens commenced in 1970 on the Isle of Wight with a wide variety of temperate, sub-tropical and exotic plants, shrubs and trees; site provides extensive information about the gardens and their maintenance.

This West Sussex garden is a satellite of the Royal Botanic Gardens, Kew, housing the Millenium Seed Bank, and the national collection of birch trees; offers a range of trails and tours, and a guide to seasonal attractions.

Details of the collection, including rare trees, champion trees, and visitor facilities at the country's national arboretum.