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Arnold Arboretum

Coordinates: 42°17′52″N 71°7′22″W / 42.29778°N 71.12278°W / 42.29778; -71.12278
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Arnold Arboretum
One of the small ponds within Arnold Arboretum
Arnold Arboretum is located in Greater Boston area
Arnold Arboretum
Arnold Arboretum
Arnold Arboretum is located in Massachusetts
Arnold Arboretum
Arnold Arboretum
Arnold Arboretum is located in the United States
Arnold Arboretum
Arnold Arboretum
TypeBotanical garden
LocationBoston, Massachusetts, U.S.
Coordinates42°17′52″N 71°7′22″W / 42.29778°N 71.12278°W / 42.29778; -71.12278
Area281 acres (114 ha)
Operated byHarvard University
StatusOpen year round
Websitewww.arboretum.harvard.edu
Arnold Arboretum
Built1872
ArchitectFrederick Law Olmsted
NRHP reference No.66000127[1]
Significant dates
Added to NRHPOctober 15, 1966
Designated NHLJanuary 12, 1965

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.

Established in 1872, it is the oldest public arboretum in North America.[2] 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 an emphasis on the plants of the eastern North America and eastern Asia,[3] where Arboretum staff and colleagues are sourcing new material on plant collecting expeditions.[4] The Arboretum supports research in its landscape and in its Weld Hill Research Building.[5]

History

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Arnold Arboretum in 1921

The Arboretum was founded in 1872. It was established through land and financial gifts from Benjamin Bussey and James Arnold, with trustee George Barrell Emerson facilitating its creation.[6] Harvard appointed Charles Sprague Sargent as the first director, who partnered with landscape architect Frederick Law Olmsted to design the grounds.[7] A unique agreement with the City of Boston ensured public access through a 1,000-year lease.

In the late 19th and early 20th centuries, the Arboretum became a center for botanical research, with Sargent publishing The Silva of North America and launching Garden and Forest. Inspired by his travels to Japan, the Arboretum began decades of plant collection in East Asia, led by botanists like Ernest Henry Wilson.[8]

The Great Depression and World War II paused international collecting, shifting focus to landscape preservation and public education. The mid-20th century brought innovations in plant cultivation, with the 1962 construction of the Dana Greenhouses supporting horticultural research.

Plant exploration resumed in the 1970s, particularly in China, with partnerships like the Sino-American Botanical Expedition. In 2011, the Weld Hill Research Building opened, advancing scientific study. During the COVID-19 pandemic, the Arboretum remained open as a vital public refuge.

In 2022, the Arboretum celebrated its 150th anniversary, reaffirming its mission of research, conservation, and free public access. Today, it continues to serve as a leading institution in botanical science and education.

Location

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Hunnewell Building, Arnold Arboretum

The Arboretum occupies 281 acres in the Jamaica Plain and Roslindale sections of Boston. The Visitor Center is located at the Hunnewell Administration Building at 125 Arborway. The Arboretum contains four notable hills: Bussey Hill, Peters Hill, Hemlock Hill, and Weld Hill. Of these, Peters Hill is the tallest at 240 feet (73 meters).[9]

Climate

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The Arboretum is located in USDA hardiness zone 6b (0 to −5 °F; −18 to −21 °C).

Collections

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The Arnold Arboretum maintains over 17,000 plants across roughly 10,000 accessions, emphasizing North American and East Asian ligneous species. Historic collections include plant introductions by Charles Sprague Sargent, Ernest Henry Wilson, William Purdom, Joseph Hers, and Joseph Rock, with recent expeditions to China, Taiwan, Japan, and Korea contributing to its diversity.

Key plant collections focus on Acer, Fagus, Carya, Forsythia, Pinus, Magnolia, Quercus, Rhododendron, Syringa, and Tsuga, along with specialized collections such as the Bradley Collection of Rosaceous Plants, conifers, and Larz Anderson Bonsai Collection. Around 500 new accessions are processed annually.

The Index Herbarioum code "A" is assigned to the Arboretum. Its research mission centers on woody plant evolution and biogeography, with studies in molecular genetics, plant-water relations, and environmental change.[10]

A birch tree in early spring

Plant records

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Plant records are maintained on a computerized database, BG-BASE (BG-BASE Inc.), which was initiated in 1985 at the request of the Arnold Arboretum and the Threatened Plants Unit (TPU) of the World Conservation Monitoring Centre (WCMC). Currently the Arboretum uses a suite of ESRI Desktop and Mobile GIS software applications to manage, analyze, query, capture, manipulate, and display geographic information. A computer-driven embosser generates records labels. All accessioned plants in the collections are labeled with accession number, botanical name, source information, common name, and map location.

Nursery and greenhouse

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The Dana Greenhouses located at 1050 Centre Street (with a mailing address of 125 Arborway), were completed in 1962. Also located in the greenhouse complex is the bonsai and penjing pavilion, where the Larz Anderson Bonsai Collection is displayed from the middle of April to the end of October.

Associated collections

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The Arboretum's herbarium holds specimens of cultivated plants that relate to the living collections. The herbarium, horticultural library, archives, and photographs are maintained in the Hunnewell building at 125 Arborway; however, the main portions of the herbarium and library collections are housed in Cambridge on the campus of Harvard University.

Activities

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Research

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State of the art facilities host researchers investigating a range of topics.

Education

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The Arboretum offers a variety of education programs for students, educators, professionals, and the public. School programs include guided field trips and a summer science program for middle schoolers, while professional development opportunities support educators in outdoor learning. Horticultural training includes internships and fellowships for students and early-career professionals. Family and community programs encourage nature exploration, and adult education offers lectures, workshops, and tours on plant science and conservation.

General view of Arnold Arboretum

Horticulture

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A team of horticulturists, arborists, gardeners, seasonal employees, and summer interns maintain the grounds. A wide array of vehicles and modern equipment, are used in grounds maintenance.

Lilac Sunday

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Lilac Sunday

The second Sunday in May every year is "Lilac Sunday"—a celebration with tours, hands-on children's programming, arts programming, and picnicking. In 2008, on the 100th anniversary of Lilac Sunday, the Arboretum website touted:

Of the thousands of flowering plants in the Arboretum, only one, the lilac, is singled out each year for a daylong celebration. On Lilac Sunday, garden enthusiasts from all over New England gather at the Arboretum to picnic and tour the lilac collection. On the day of the event, which takes place rain or shine, the Arboretum is open as usual from dawn to dusk.[11]

Publications

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Arnoldia, the quarterly magazine of the Arnold Arboretum, frequently publishes articles relating to the living collections. Publication of a journal targeting more scientific audience, Journal of the Arnold Arboretum, established in 1919 with Charles Sprague Sargent as editor-in-chief, was suspended in 1990,[12] when it was incorporated into Harvard Papers in Botany (HPB).[13] The 71 volumes are available online at the Biodiversity Heritage Library.[14] The Journal of the Arnold Arboretum published "notes on trees and shrubs with descriptions of new species and their relationships, letters from correspondents, and notes on the vegetation of countries visited by officers and agents of the Arboretum."[15] Other editors of the journal include Albert Charles Smith, Clarence Emmeren Kobuski, Bernice Giduz Schubert, and Carroll Emory Wood Jr.[16]

A Reunion of Trees[17] by Stephen A. Spongberg (curator emeritus) recounts the history of the introduction of many of the exotic species included in the Arobretum's collections. New England Natives[18] written by horticultural research archivist Sheila Connor describes many of the trees and shrubs of the New England flora and the ways New Englanders have used them since prehistoric times. Science in the Pleasure Ground[19] by Ida Hay (former curatorial associate) constitutes an institutional biography of the Arboretum.

Institutional collaborations

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The Arboretum maintains an institutional membership in the American Public Garden Association, Botanic Gardens Conservation International, and the International Association of Botanical Gardens and Arboreta. Additionally, members of the staff are associated with many national and international botanical and horticultural organizations. The Arboretum also works with the Center for Plant Conservation, the Plant Collections Network, and the North America-China Plant Exploration Consortium on domestic and international plant conservation initiatives.

See also

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References

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  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.
  2. ^ "Arnold Arboretum". The Emerald Necklace Conservancy. Archived from the original on March 25, 2020. Retrieved March 25, 2020.
  3. ^ "Plants". Arnold Arboretum of Harvard University. Archived from the original on March 25, 2020. Retrieved March 25, 2020.
  4. ^ "Plant Exploration". Arnold Arboretum of Harvard University. Archived from the original on March 20, 2020. Retrieved March 25, 2020.
  5. ^ "Research in the Collections". Arnold Arboretum of Harvard University. Archived from the original on March 25, 2020. Retrieved March 25, 2020.
  6. ^ Wilson, Mary Jane. "Benjamin Bussey, Woodland Hill, and the Creation of the Arnold Arboretum" (PDF). Arnoldia. 64 (1): 2–9. Archived (PDF) from the original on May 5, 2017. Retrieved March 26, 2020.
  7. ^ Sutton, S. B. (1970). Charles Sprague Sargent and the Arnold Arboretum. Cambridge, Massachusetts: Harvard University Press.
  8. ^ "Expeditions Unveiled". Arnold Arboretum of Harvard University. Archived from the original on May 1, 2020. Retrieved March 31, 2020.
  9. ^ "Institutional Master Plan: The Arnold Arboretum of Harvard University" (PDF).[permanent dead link‍]
  10. ^ "Index Herbariorum". Steere Herbarium, New York Botanical Garden. Archived from the original on November 27, 2021. Retrieved November 27, 2021.
  11. ^ Lilacs Archived 2008-05-13 at the Wayback Machine at the Arnold Arboretum
  12. ^ Cook, Robert E. (1990). "Important notice". Journal of the Arnold Arboretum. 71: ii. Archived from the original on July 28, 2017. Retrieved January 13, 2018.
  13. ^ "About HPB". Harvard University Herbaria & Libraries. Archived from the original on June 26, 2015. Retrieved May 24, 2015.
  14. ^ "Details – Journal of the Arnold Arboretum". Biodiversity Heritage Library. Archived from the original on June 12, 2015. Retrieved May 24, 2015.
  15. ^ Sargent, C. S., ed. (1919). "Introduction". Journal of the Arnold Arboretum. 1 (1). Archived from the original on May 8, 2021. Retrieved December 28, 2020.
  16. ^ Howard, Richard A. (1972). "Scientists and Scientific Contributions of the Arnold Arboretum: The First Century" (PDF). Arnoldia. 32 (2): 52 of pp. 49–58. Archived (PDF) from the original on July 9, 2021. Retrieved December 28, 2020. (The first issue of the Journal of the Arnold Arboretum contained contributions by Camillo Karl Schneider, Ernest Henry Wilson, Alfred Rehder, and C. S. Sargent.)
  17. ^ Spongberg, Stephen A. (1990). A Reunion of Trees: The Discovery of Exotic Plants and Their Introduction into North American and European Landscapes. Harvard University Press. ISBN 978-0-674-76694-5.
  18. ^ Connor, Sheila (1993). New England Natives. Harvard University Press. ISBN 978-0-674-61350-8.
  19. ^ Hay, Ida (1995). Science in the Pleasure Ground. Northeastern University Press. ISBN 978-1-55553-201-7.
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