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A botanical garden or botanic gardenThe terms botanic and botanical and garden or gardens are used more-or-less interchangeably, although the word botanic is generally reserved for the earlier, more traditional gardens. is a garden with a documented collection of living plants for the purpose of scientific research, conservation, display, and education. It is their mandate as a botanical garden that plants are labelled with their . It may contain specialist plant collections such as cactus and other , , plants from particular parts of the world, and so on; there may be greenhouse or , again with special collections such as tropical , , or other that are not native to that region.
Most are at least partly open to the public, and may offer guided tours, public programming such as workshops, courses, educational displays, , book rooms, open-air theatrical and musical performances, and other entertainment.
Botanical gardens are often run by universities or other scientific research organizations, and often have associated herbaria and research programmes in plant taxonomy or some other aspect of botanical science. In principle, their role is to maintain documented collections of living plants for the purposes of scientific research, conservation, display, and education, although this will depend on the resources available and the special interests pursued at each particular garden. The staff will normally include as well as gardeners.
Many botanical gardens offer diploma/certificate programs in horticulture, botany and taxonomy. There are many internship opportunities offered to aspiring horticulturists. As well as opportunities for students/researchers to use the collection for their studies.
This has been further reduced by Botanic Gardens Conservation International to the following definition which "encompasses the spirit of a true botanic garden": "A botanic garden is an institution holding documented collections of living plants for the purposes of scientific research, conservation, display and education." The following definition was produced by staff of the Liberty Hyde Bailey Hortorium of Cornell University in 1976. It covers in some detail the many functions and activities generally associated with botanical gardens:
This broad outline is then expanded:
Botanical gardens have always responded to the interests and values of the day. If a single function were to be chosen from the early literature on botanical gardens, it would be their scientific endeavour and, flowing from this, their instructional value. In their formative years, botanical gardens were gardens for physicians and botanists, but they became more associated with ornamental horticulture and the needs of the general public. The scientific reputation of a botanical garden is judged by the publications coming out of herbaria and similar facilities, not by its living collections. Their focus has been on creating an awareness of the threat to the Earth's ecosystems from human populations and its consequent need for biological and physical resources. Botanical gardens provide an excellent medium for communication between the world of botanical science and the general public. Education programs can help the public develop greater environmental awareness by understanding the meaning and importance of ideas like conservation and sustainability.
Historically, botanical gardens exchanged plants through the publication of seed lists (called in the 18th century). This was a means of transferring both plants and information between botanical gardens. This system continues today, though with attention to the risks of genetic piracy and transmission of invasive species.
The International Association of Botanic Gardens was formed in 1954 as a worldwide organisation affiliated to the International Union of Biological Sciences. More recently, coordination has also been provided by Botanic Gardens Conservation International (BGCI), which has the mission "To mobilise botanic gardens and engage partners in securing plant diversity for the well-being of people and the planet".
Regional co-ordination is seen in the United States with the American Public Gardens Association (formerly the American Association of Botanic Gardens and Arboreta), while in Australasia there is the Botanic Gardens of Australia and New Zealand (BGANZ).
Early medieval gardens in Islamic Spain resembled later botanic gardens, an example being the 11th-century Huerta del Rey garden of physician and author Ibn Wafid (999–1075 CE) in Toledo. This was taken over by garden chronicler Ibn Bassal (fl. 1085 CE) until the Christian conquest in 1085 CE. Ibn Bassal then founded a garden in Seville, most of its plants being collected on a botanical expedition that included Morocco, Persia, Sicily, and Egypt. The medical school of Montpellier was also founded by Spanish Arab physicians, and by 1250 CE, it included a physic garden, but the site was not given botanic garden status until 1593.
The forerunners of modern botanical gardens are generally regarded as being the medieval monastic physic gardens that originated after the decline of the Roman Empire at the time of Emperor Charlemagne (742–789 CE). These contained a hortus, a garden used mostly for vegetables, and another section set aside for specially labelled medicinal plants and this was called the herbularis or hortus medicusmore generally known as a physic garden, and a viridarium or orchard. Such gardens were given impetus by Charlemagne's Capitulary de Villis, which listed 73 herbs to be used in the physic gardens of his dominions. Many of these had already been introduced to British gardens. Pope Nicholas V set aside part of the Vatican grounds in 1447, for a garden of medicinal plants that were used to promote the teaching of botany, and this was a forerunner to the University gardens at Padua and Pisa established in the 1540s. Certainly the founding of many early botanic gardens was instigated by members of the medical profession.
In the mid to late 17th century, the Paris Jardin des Plantes was a centre of interest with the greatest number of new introductions to attract the public. In England, the Chelsea Physic Garden was founded in 1673 as the "Garden of the Society of Apothecaries". The Chelsea garden had heated , and in 1723 appointed Philip Miller (1691–1771) as head gardener. He had a wide influence on both botany and horticulture, as plants poured into it from around the world. The garden's golden age came in the 18th century, when it became the world's most richly stocked botanical garden. Its seed-exchange programme was established in 1682 and still continues today.See
The Royal Botanic Gardens, Kew were founded in 1759, initially as part of the Royal Garden set aside as a physic garden. William Aiton (1741–1793), the first curator, was taught by garden chronicler Philip Miller of the Chelsea Physic Garden whose son Charles became first curator of the original Cambridge Botanic Garden (1762). In 1759, the "Physick Garden" was planted, and by 1767, it was claimed that "the Exotick Garden is by far the richest in Europe".Bute in Gardens such as the Royal Botanic Gardens, Kew (1759) and Orotava Acclimatization Garden , Tenerife (1788) and the Real Jardín Botánico de Madrid (1755) were set up to cultivate new species returned from expeditions to the tropics; they also helped found new tropical botanical gardens. From the 1770s, following the example of the French and Spanish, amateur collectors were supplemented by official horticultural and botanical plant hunters. These botanical gardens were boosted by the flora being sent back to Europe from various European Colonialism.
At this time, British horticulturalists were importing many from British America, and the popularity of horticulture had increased enormously, encouraged by the horticultural and botanical collecting expeditions overseas fostered by the directorship of Sir William Jackson Hooker and his keen interest in economic botany. At the end of the 18th century, Kew, under the directorship of Sir Joseph Banks, enjoyed a golden age of plant hunting, sending out collectors to the Cape Colony, Australia, Chile, Qing dynasty, British Ceylon, Colonial Brazil, and elsewhere, and acting as "the great botanical exchange house of the British Empire". From its earliest days to the present, Kew has in many ways exemplified botanic garden ideals, and is respected worldwide for the published work of its scientists, the education of horticultural students, its public programmes, and the scientific underpinning of its horticulture.See
In 1728, John Bartram founded Bartram's Garden in Philadelphia, one of the continent's first botanical gardens. The garden is now managed as a historical site that includes a few original and many modern specimens as well as extensive archives and restored historical farm buildings.
Included in the charter of these gardens was the investigation of the local flora for its economic potential to both the colonists and the local people. Many crop plants were introduced by or through these gardensoften in association with European botanical gardens such as Kew or Amsterdamand included cloves, tea, coffee, breadfruit, cinchona, sugar, cotton, palm oil and Theobroma cacao (for chocolate). During these times, the rubber plant was introduced to Singapore. Especially in the tropics, the larger gardens were frequently associated with a herbarium and museum of economy. The Botanical Garden of Peradeniya had considerable influence on the development of agriculture in Ceylon where the Para rubber tree (Hevea brasiliensis) was introduced from Kew, which had itself imported the plant from South America. Other examples include cotton from the Chelsea Physic Garden to the Province of Georgia in 1732 and tea into India by Calcutta Botanic Garden. The transfer of germplasm between the temperate and tropical botanical gardens was undoubtedly responsible for the range of agricultural crops currently used in several regions of the tropics.
South Africa has 10 national-level botanical gardens, all overseen by the South African National Biodiversity Institute. The oldest in South Africa is the 1851 Durban Botanic Gardens. The Kirstenbosch National Botanical Garden is the most famous and developed garden in the country, established in 1913, on a site dating to 1848. It covers 36 , with an additional 528 hectares of mountainside wilderness forming part of the garden. Stellenbosch University Botanical Garden is South Africa's oldest university botanical garden; it was established in 1922. Also in the country is the Karoo Desert National Botanical Garden, founded in 1921 and relocated in 1945. Elsewhere in Africa, Orman Garden at Giza in Egypt was founded in 1875.
Presidents George Washington, Thomas Jefferson and James Madison, all experienced farmers, shared the dream of a national botanic garden, leading to the founding in 1820 of the United States Botanic Garden, next to the Capitol in Washington DC. In 1859, the Missouri Botanical Garden was founded at St Louis, Missouri; it is one of the world's leading gardens specializing in tropical plants.
Russia's botanical gardens include Moscow University Botanic Garden , founded by Tsar Peter the Great, and the Saint Petersburg Botanical Garden, (1714).
A 2024 review in a special issue of the Journal of Zoological and Botanical Gardens on the sustainability of botanic gardens noted their increasing roles in conservation and research, and the many new gardens created since 1950. In its view, the gardens are being "reinvented" to serve the goals of conservation, sustainability, and social engagement. It observes that historically, the gardens emerged in an era that saw both the growth of modern science and the colonial era. In response, the gardens have engaged in decolonising and in "new socio-environmental missions". Finally, it attempts to view the gardens on a global scale.
A 2023 historical review by Chinese botanists similarly notes the long history of botanical gardens from the medicinal gardens of the first universities in Renaissance Europe, and from China's ancient Shennong herbal garden tradition. The gardens have in its view continuously adapted to new demands in a changing environment, coming to serve the "core mission of ex situ conservation".
Botanical gardens must find a compromise between the need for peace and seclusion, while at the same time satisfying the public need for information and visitor services that include restaurants, information centres and sales areas that bring with them rubbish, noise, and hyperactivity. Attractive landscaping and planting design sometimes compete with scientific interests — with science now often taking second place. Some gardens are now heritage landscapes that are subject to constant demand for new exhibits and exemplary environmental management.
Role and functions
All botanical gardens have their own special interests. In a paper on the role of botanical gardens, Ferdinand von Mueller (1825–1896), the director of the Royal Botanic Gardens, Melbourne (1852–1873), stated, "in all cases the objects of must be mainly scientific and predominantly instructive". He detailed many of the objectives being pursued by the world's botanical gardens in the middle of the 19th century, when European gardens were at their height. Many of these are listed below to give a sense of the scope of botanical gardens' activities at that time, and the ways in which they differed from parks or what he called "public ":
Worldwide network
Worldwide, there are now about 1800 botanical gardens and arboretum in about 150 countries (mostly in temperate regions) of which about 550 are in Europe (150 of which are in Russia), 200 in North America, and an increasing number in East Asia. These gardens attract about 300 million visitors a year.
History
The history of botanical gardens is closely linked to the history of botany itself. The botanical gardens of the 16th and 17th centuries were medicinal gardens, but the idea of a botanical garden changed to encompass displays of the beautiful, strange, new and sometimes economically important plant trophies being returned from the European colonies and other distant lands. In the 18th century, they became more educational in function, demonstrating the latest plant classification systems devised by botanists working in the associated herbaria as they tried to order these new treasures. Then, in the 19th and 20th centuries, the trend was towards a combination of specialist and eclectic collections demonstrating aspects of both horticulture and botany.
Precursors
The idea of "scientific" gardens used specifically for the study of plants dates back to antiquity. The origin of modern botanical gardens is generally traced to the appointment of botany professors to the medical faculties of universities in 16th-century Renaissance Italy, which entailed curating a medicinal garden. However, the objectives, content, and audience of today's botanic gardens more closely resembles that of the grandiose gardens of antiquity and the educational garden of Theophrastus in the Lyceum of ancient Athens.
Grand gardens of ancient history
Near-eastern royal gardens set aside for economic use or display and containing at least some plants gained by special collecting trips or military campaigns abroad, are known from the second millennium BCE in ancient Egypt, Mesopotamia, Crete, Mexico and China. In about 2800 BCE, the Chinese Emperor Shen Nung sent collectors to distant regions searching for plants with economic or medicinal value. It has also been suggested that the Spanish colonization of Mesoamerica influenced the history of the botanical garden as gardens in Tenochtitlan established by king Nezahualcoyotl, also gardens in Chalco (altépetl) and elsewhere, greatly impressed the Spanish invaders, not only with their appearance, but also because the indigenous employed many more medicinal plants than did the classical world of Europe.
Physic gardens
Botanical gardens developed from , whose main purpose was to cultivate for medical use as well as research and experimentation. Such gardens have a long history. In Europe, for example, Aristotle (384 BCE – 322 BCE) is said to have had a physic garden in the Lyceum at Athens, which was used for educational purposes and for the study of botany, and this was inherited, or possibly set up, by his pupil Theophrastus, the "Father of Botany". There is some debate among science historians whether this garden was ordered and scientific enough to be considered "botanical"; instead, they attribute the earliest known botanical garden in Europe to the botanist and pharmacologist Antonius Castor, mentioned by Pliny the Elder in the 1st century.
16th- and 17th-century European gardens
In the 17th century, botanical gardens began their contribution to a deeper scientific curiosity about plants. If a botanical garden is defined by its scientific or academic connection, then the first true botanical gardens were established with the revival of learning that occurred in the European Renaissance. These were secular gardens attached to universities and medical schools, used as resources for teaching and research. The superintendents of these gardens were often professors of botany with international reputations, a factor that probably contributed to the creation of botany as an independent discipline rather than a descriptive adjunct to medicine.
Origins in the Italian Renaissance
The botanical gardens of Southern Europe were associated with university faculties of medicine and were founded in Italy at Orto botanico di Pisa (1544), Orto botanico di Padova (1545), Orto Botanico di Firenze (1545), Orto Botanico dell'Università di Pavia (1558) and Orto Botanico dell'Università di Bologna (1568).Precisely dating the foundation of botanical gardens is often difficult because government decrees may be issued some time before land is acquired and planting begins, or existing gardens may be relocated to new sites, or previously existing gardens may be taken over and converted. Here the physicians (known in English as Apothecary) delivered lectures on the Mediterranean "simples" or "" that were being cultivated in the grounds. Student education was no doubt stimulated by the relatively recent advent of printing and the publication of the first herbals.
Northern Europe
The tradition of these Italian gardens spread across Europe, including among the earliest gardens
Leipzig Botanical Garden, Germany, 1543, the Botanical Garden of Valencia, Habsburg Spain, 1567; Hortus Botanicus Leiden, Netherlands, 1590; and Hortus Botanicus (Amsterdam), Netherlands, 1638), University of Oxford Botanic Garden, England, 1621; and Chelsea Physic Garden, England, 1673; Royal Botanic Garden Edinburgh, Scotland, 1670; Jardin des plantes de Montpellier, France, 1593; and Jardin des Plantes, Paris, 1635; University of Copenhagen Botanical Garden, Denmark, 1600; and Uppsala University, Sweden, 1655.
Beginnings of botanical science
During the 16th and 17th centuries, the first plants were being imported to these major gardens from Eastern Europe and nearby Asia (which provided many ), and these found a place in the new gardens, where they could be conveniently studied by the plant experts of the day. For example, Asian introductions were described by Carolus Clusius (1526–1609), who was director, in turn, of the Botanical Garden of the University of Vienna and Hortus Botanicus Leiden. Many plants were being collected from the Near East, especially bulbous plants from Turkey. Clusius laid the foundations of Netherlands tulip breeding and the bulb industry, and he helped create one of the earliest formal botanical gardens of Europe at Leyden where his detailed planting lists have made it possible to recreate this garden near its original site. The hortus medicus of Leyden in 1601 was a perfect square divided into quarters for the four continents, but by 1720, though, it was a rambling system of beds, struggling to contain the novelties rushing in, and it became better known as the hortus academicus. His Exoticorum libri decem (1605) is an important survey of exotic plants and animals that is still consulted today.See
18th century
Gardens and orangeries
With the increase in maritime trade, ever more plants were brought back to Europe as trophies from distant lands, and these were triumphantly displayed in the private estates of the wealthy, in commercial plant nursery, and in the public botanical gardens. Heated conservatories called "orangery" became a feature of many botanical gardens.
Plant classification
The large number of plants needing description were listed in garden catalogues; and from 1753 Carl Linnaeus established the system of binomial nomenclature which greatly facilitated the listing process. Names of plants were authenticated by dried plant specimens mounted on card (a hortus siccus or garden of dried plants) that were stored in buildings called herbarium, these taxonomic research institutions being frequently associated with the botanical gardens, many of which by then had "order beds" to display the classification systems being developed by botanists in the gardens' museums and herbaria. Botanical gardens became scientific collections, as published their descriptions of the new exotic plants, and these were recorded for posterity in detail by superb botanical illustrations. Botanical gardens effectively dropped their medicinal function in favour of scientific and aesthetic priorities, and the term "botanic garden" came to be more closely associated with the herbarium, library (and later laboratories) housed there than with the living collections – on which little research was undertaken.
19th century
The late 18th and early 19th centuries were marked by the establishment of tropical botanical gardens as a tool of colonialism (for trade and commerce and, secondarily, science) mainly by the British and Dutch, in British India, South-east Asia and the Caribbean. This was also the time of Sir Joseph Banks's botanical collections during Captain James Cook's of the planet and his explorations of Oceania, with plant introductions on a grand scale.
Tropical
There are currently about 230 tropical botanical gardens, many of them in southern and south-eastern Asia. The first botanical garden founded in the tropics was the Pamplemousses Botanical Garden in Mauritius, established in 1735 to provide food for ships using the port, but later trialling and distributing many plants of economic importance. This was followed by the West Indies (Saint Vincent and the Grenadines Botanic Gardens, 1764) and in 1786 by the Acharya Jagadish Chandra Bose Botanical Garden in Calcutta, India founded during a period of prosperity when the city was a trading centre for the Dutch East India Company. Other gardens were constructed in Brazil (Rio de Janeiro Botanical Garden, 1808), Sri Lanka (Botanic Gardens of Peradeniya, 1821 and on a site dating back to 1371), Indonesia (Bogor Botanical Gardens, 1817 and Kebun Raya Cibodas, 1852), and Singapore (Singapore Botanical Gardens, 1822). These had a profound effect on the economy of the countries, especially in relation to the foods and medicines introduced. The importation of rubber trees to the Singapore Botanic Garden initiated the important rubber industry of the Malay Peninsula. At this time also, teak and tea were introduced to India and breadfruit, pepper and carambola to the Caribbean.
Temperate
The first botanical gardens in Australia were founded early in the 19th century. The Royal Botanic Gardens, Sydney, 1816; the Royal Tasmanian Botanical Gardens, 1818; the Royal Botanic Gardens, Melbourne, 1845; Adelaide Botanic Gardens, 1854; and Brisbane Botanic Gardens, 1855. These were established essentially as colonial gardens of economic botany and acclimatisation.Looker in
20th century
Civic and municipal botanical gardens
A large number of civic or municipal botanical gardens were founded in the 19th and 20th centuries. These did not develop scientific facilities or programmes, but the horticultural aspects were strong and the plants often labelled. They were botanical gardens in the sense of building up collections of plants and exchanging seeds with other gardens around the world, although their collection policies were determined by those in day-to-day charge of them. They tended to become little more than beautifully maintained parks and were, indeed, often under general parks administrations.
Community engagement
The second half of the 20th century saw increasingly sophisticated educational, visitor service, and interpretation services. Botanical gardens started to cater for many interests and their displays reflected this, often including botanical exhibits on themes of evolution, ecology or taxonomy, horticultural displays of attractive and herbaceous borders, plants from different parts of the world, special collections of plant groups such as or , and specialist glasshouse collections such as tropical plants, , cactus and Orchidaceae, as well as the traditional herb gardens and medicinal plants. Specialised gardens like the Palmengarten in Frankfurt, Germany (1869), one of the world's leading orchid and succulent plant collections, have been very popular. With decreasing financial support from governments, revenue-raising public entertainment increased, including music, art exhibitions, special botanical exhibitions, theatre and film, this being supplemented by the advent of "Friends" organisations and the use of volunteer guides.Looker in
Plant conservation
Plant conservation and the heritage value of exceptional historic landscapes were treated with a growing sense of urgency through the 20th century. Specialist gardens were sometimes given a separate or adjoining site, to display native and indigenous plants. In the 1970s, gardens became focused on plant conservation. The Botanic Gardens Conservation Secretariat was established by the IUCN and the World Conservation Union in 1987 with the aim of coordinating the plant conservation efforts of botanical gardens around the world. It maintains a database of rare and endangered species in botanical gardens' living collections. Many gardens hold ex situ conservation collections that preserve genetic variation. These may be held as seeds dried and stored at low temperature, or in tissue culture (such as the Kew Millennium Seedbank); as living plants, including those that are of special horticultural, historical or scientific interest (such as those in the National Plant Collection in the United Kingdom); or by managing and preserving areas of natural vegetation. Collections are often held and cultivated with the intention of reintroduction to their original habitats.See
21st century
New gardens
Botanical gardens have continued to be built in the 21st century, such as the first botanical garden in Oman, which is planned to be one of the largest gardens in the world, with the first large-scale cloud forest in a huge glasshouse. Development of botanical gardens in China over recent years has been remarkable, including the Hainan Botanical Garden of Tropical Economic Plants at Guangzhou, South China Botanical Garden the Xishuangbanna Botanical Garden of Tropical Plants and the Xiamen Botanic Garden. In developed countries, on the other hand, many have closed for lack of financial support, especially those attached to universities. The Palestine Museum of Natural History has a botanic garden, which has been described as a site of nation-building and resistance by Silvia Hassouna.
Missions and strategy
The Center for Plant Conservation at St Louis, Missouri, coordinates the conservation of native North American species. The 2006 North American Botanic Garden Strategy for Plant Conservation sets out its goals to document and conserve plant diversity, to use that diversity sustainably, to educate the public about plant diversity, build conservation capacity, and to build support for the strategy itself.
See also
Footnotes
Bibliography
(2025). 9780195536447, Oxford University Press. ISBN 9780195536447
(1969). 9780906223734, Bloomsbury Books. ISBN 9780906223734
Further reading
(2025). 9781904772729, Black Dog. ISBN 9781904772729
External links
Interactive world-map with botanical gardens, arboretum, plant nurseries and seed-banks.
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