An arboretum is a botanical collection composed exclusively of trees of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, many modern arboreta are in botanical gardens as living collections of woody plants and is intended at least in part for scientific study.
The University of Oxford Botanic Garden is the oldest botanic garden in Great Britain and one of the oldest scientific gardens in the world. The garden was founded in 1621 as a physic garden growing plants for medicinal research. Today it contains over 5,000 different plant species on 1.8 ha. It is one of the most diverse yet compact collections of plants in the world and includes representatives from over 90% of the higher plant families.
The Fullerton Arboretum is a 26-acre (11 ha) botanical garden with a collection of plants from around the world, located on the northeast corner of the California State University, Fullerton campus in Fullerton, California, in the United States. It is the largest botanical garden in Orange County, with a collection of over 4,000 plants. The Arboretum saves species that are extinct or near extinction and serves as a learning place for agricultural history.
The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in North America. The landscape was designed by Charles Sprague Sargent and Frederick Law Olmsted and is the second largest "link" in the Emerald Necklace. The Arnold Arboretum's collection of temperate trees, shrubs, and vines has a particular emphasis on the plants of the eastern United States and eastern Asia, where arboretum staff and colleagues are actively sourcing new material on plant collecting expeditions. The arboretum supports research in its landscape and in its Weld Hill Research Building.
The Cheyenne Botanic Gardens are located in Lions Park in Cheyenne, Wyoming, with an associated High Plains Arboretum located five miles (8 km) northwest of Cheyenne at an elevation of 6,200 feet (1,900 m).
Red Butte Garden and Arboretum consists of a botanical garden, arboretum, and amphitheatre operated by the University of Utah, in the foothills of the Wasatch Range in Salt Lake City, Utah, United States. It is open year-round to the public. Red Butte Garden contains over 100 acres (0.40 km2) of botanical gardens and several miles of hiking trails through native vegetation. Red Butte Creek runs within the northern part of the garden.
The Holden Arboretum, in Kirtland, Ohio, is one of the largest arboreta and botanical gardens in the United States, with more than 3,600 acres (1,500 ha), including 600 acres (240 ha) devoted to collections and gardens. Diverse natural areas and ecologically sensitive habitats make up the rest of the holdings. Holden's collections includes 9,400 different kinds of woody plants, representing 79 plant families.
Hoyt Arboretum is a public park in Portland, Oregon, which is part of the complex of parks collectively known as Washington Park. The 189-acre (76 ha) arboretum is located atop a ridge in the Tualatin Mountains two miles (3.2 km) west of downtown Portland. Hoyt has 12 miles of hiking trails, two miles of accessible paved trails, and is open free to the public all year. About 350,000 visitors per year visit the arboretum.
Planting Fields Arboretum State Historic Park, which includes the Coe Hall Historic House Museum, is an arboretum and state park covering over 400 acres (160 ha) located in the village of Upper Brookville in the town of Oyster Bay, New York.
The University of Illinois Arboretum is a new arboretum, with gardens, currently under construction on the University of Illinois Urbana-Champaign campus. It is located at the intersection of Florida and Lincoln Avenue, Urbana, Illinois, and open daily without charge.
The Morton Arboretum, in Lisle, Illinois, United States, is a public garden, and outdoor museum with a library, herbarium, and program in tree research including the Center for Tree Science. Its grounds, covering 1,700 acres, include cataloged collections of trees and other living plants, gardens, and restored areas, among which is a restored tallgrass prairie. The living collections include more than 4,100 different plant species. There are more than 200,000 cataloged plants.
The Cornell Botanic Gardens is a botanical garden located adjacent to the Cornell University campus in Ithaca, New York. The Botanic Gardens proper consist of 25 acres (10 ha) of botanical gardens and 150 acres (61 ha) of the F. R. Newman Arboretum. The greater Botanic Gardens includes 40 different nature areas around Cornell and Ithaca, covering 4,300 acres (1,700 ha).
Tyler Arboretum is a nonprofit arboretum located at 515 Painter Road, Middletown Township, Delaware County, Pennsylvania. It is open daily except for major holidays; an admission fee is charged to non-members.
The Haverford College Arboretum is an arboretum comprising the entire campus of Haverford College, in Haverford, Pennsylvania. It is open daily, dawn to dusk, without charge.
Nuneham Courtenay is a village and civil parish about 5 miles (8 km) southeast of Oxford. It occupies a pronounced section of the left bank of the River Thames.
The Dallas Arboretum and Botanical Garden is a 66-acre (27 ha) botanical garden located at 8525 Garland Road in East Dallas, Texas, on the southeastern shore of White Rock Lake.
Ulmus laciniata(Trautv.) Mayr, known variously as the Manchurian, cut-leaf, or lobed elm, is a deciduous tree native to the humid ravine forests of Japan, Korea, northern China, eastern Siberia and Sakhalin, growing alongside Cercidiphyllum japonicum, Aesculus turbinata, and Pterocarya rhoifolia, at elevations of 700–2200 m, though sometimes lower in more northern latitudes, notably in Hokkaido.
Nuneham House is an eighteenth century villa in the Palladian style, set in parkland at Nuneham Courtenay in Oxfordshire, England. It is currently owned by Oxford University and is used as a retreat centre by the Brahma Kumaris World Spiritual University. In September 2016 the house and a thousand acres of surrounding parkland and farmland, including the village of Nuneham Courtenay, were put up for sale in three separate lots for a total of £22 million.
George Simon Harcourt, 2nd Earl Harcourt, styled Viscount Nuneham until inheriting the title of Earl Harcourt in 1777, was an English politician, patron of the arts, and gardener.
