An arboretum is a botanical collection composed exclusively of trees and shrubs 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 are intended at least in part for scientific study.
The Arnold Arboretum is a botanical research institution and free public park affiliated with Harvard University and located in the Jamaica Plain and Roslindale neighborhoods of Boston.
The Viles Arboretum 224 acres is a botanical garden and arboretum located in Augusta, Maine, United States, with 5 miles (8 km) of trails, open year round without charge. The plant collection contains over 300 species or varieties of trees and shrubs. The forested portion of the Arboretum is a certified Tree Farm Demonstration Area containing many of Maine's native trees.
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 Leaning Pine Arboretum is located on 5 acres (20,000 m2) on the north side of the California Polytechnic State University campus, in San Luis Obispo, central California. In 2022, the Arboretum received a one-million-dollar gift from a former Provost and her husband.
The Harold L. Lyon Arboretum is a 200-acre (0.8 km2) arboretum and botanical garden managed by the University of Hawaiʻi at Mānoa located at the upper end of Mānoa Valley in Hawaiʻi.
TheBarnes Foundation is an art collection and educational institution promoting the appreciation of art and horticulture. Originally in Merion, the art collection moved in 2012 to a new building on Benjamin Franklin Parkway in Philadelphia, Pennsylvania. The arboretum of the Barnes Foundation remains in Merion, where it has been proposed that it be maintained under a long-term educational affiliation agreement with Saint Joseph's University.
Bernheim Forest and Arboretum, formerly Bernheim Arboretum and Research Forest, is a 16,137 acres (65.30 km2) arboretum, forest, and nature preserve located in Clermont, Kentucky.
The Hayes Arboretum is an arboretum of 330 acres (130 ha) located in Richmond, Indiana, United States. The main (west) entrance is open free to the public Tuesdays through Saturdays, 9:00 A.M. to 5:00 P.M., while the east entrance, which provides access to both hiking and mountain biking trails, is open daily from dawn to dusk. It is the primary project of the Stanley W. Hayes Research Foundation, a private operating foundation. The Foundation owns a total of 466 acres (189 ha) of property in Wayne County, IN.
Nichols Arboretum, locally known as the Arb, is an arboretum on the campus of the University of Michigan, in Ann Arbor, Michigan. The Arb is located adjacent to the Huron River, and features over 400 species, including 110 species of trees, in a varied, hilly landscape. A signature feature of Nichols Arboretum is the W. E. Upjohn Peony Garden, which features the largest collection of heirloom peonies in North America.
Scott Arboretum is an arboretum coterminous with the campus of and operated by Swarthmore College. It is open to the public daily without charge. The arboretum was established and endowed by the Scott family in 1929 in honor of Arthur Hoyt Scott, "for the purpose of enabling Swarthmore College to acquire, cultivate and propagate the better kinds of living trees, shrubs and herbaceous plants which are hardy in the climate of eastern Pennsylvania and which are suitable for planting by the average gardener."
The Plant Collections Network (PCN) is a group of North American botanical gardens and arboreta that coordinates a continent-wide approach to plant germplasm preservation, and promotes excellence in plant collections management. The program is administered by the American Public Gardens Association from its headquarters in Kennett Square, Pennsylvania, in collaboration with the USDA Agricultural Research Service.
The University of Guelph Arboretum is an arboretum organized by the University of Guelph in Guelph, Ontario. It was formally established in 1970 by the university and aims to conserve biodiversity and connect people with nature through teaching, research, and community outreach. The space is 165 hectares and is open throughout the year.
The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron.
The Morris Arboretum & Gardens of the University of Pennsylvania is the official arboretum of the Commonwealth of Pennsylvania. The Arboretum is open daily except for major holidays. It is located at 100 East Northwestern Avenue, Chestnut Hill, Philadelphia, Pennsylvania.
The University of Tennessee Arboretum is a research and educational arboretum operated by the University of Tennessee Agricultural Experiment Station. It is located at 901 South Illinois Avenue, Oak Ridge, Tennessee. It is open to the public without charge. Outdoor areas are open daily from 8:00 a.m. until sunset; the office and visitor center are open weekdays during normal office hours.
The Orland E. White Arboretum, officially the State Arboretum of Virginia, is an arboretum operated by the University of Virginia as part of the Blandy Experimental Farm. It is located at 400 Blandy Farm Lane, Boyce, Virginia, and open to visitors daily from dawn to dusk without fee.
The St. George Village Botanical Garden is a botanical garden with arboretum located at 127 Estate St. George, Frederiksted, Saint Croix, U.S. Virgin Islands. It is open daily except Christmas; an admission fee is charged.
Will Rogers Gardens is a 30-acre (12 ha) park in Oklahoma City located at the corner of 36th Street and Portland Avenue. It is one of the city's historic parks and is open year-round. Will Rogers Gardens features the Charles E. Sparks Rose Garden, a 7-acre (2.8 ha) arboretum and a conservatory with a cacti and succulent collection. It also features display beds of daylilies, iris, azaleas, herbs and peonies.
Joseph Lapsley Wilson was an American railroad executive, author and horticulturalist. A Civil War veteran, he wrote two histories of Philadelphia's First City Troop.
