South Coast Botanic Garden
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The South Coast Botanic Garden is a
botanical garden 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, an ...
in the
Palos Verdes Hills The Palos Verdes Hills are a low mountain range on the southwestern coast of Los Angeles County, California. They sit atop the Palos Verdes Peninsula, a sub-region of the Los Angeles metropolitan area. The Palos Verdes Hills are the landed end o ...
, in an
unincorporated area An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...
of Los Angeles County, California, United States, about south of Los Angeles International Airport. It has over 150,000 landscaped plants and trees from approximately 140 families, 700 genera, and 2,000 different species, including flowering fruit trees,
Coast Redwood ''Sequoia sempervirens'' ()''Sunset Western Garden Book,'' 1995:606–607 is the sole living species of the genus '' Sequoia'' in the cypress family Cupressaceae (formerly treated in Taxodiaceae). Common names include coast redwood, coastal ...
s, Ginkgos and
Pittosporum ''Pittosporum'' ( or ) is a genus of about 200 species of flowering plants in the family Pittosporaceae. The genus is probably Gondwanan in origin; its present range extends from Australasia, Oceania, eastern Asia and some parts of Africa. ''Cit ...
. It is particularly rich in plants from Australia and
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the ...
. Its gardens include the Water-wise Garden, Herb Garden, English Rose Garden, and Garden of the Senses. A small lake and stream bed attract various birds such as
duck Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a form ...
s,
geese A goose ( : geese) is a bird of any of several waterfowl species in the family Anatidae. This group comprises the genera '' Anser'' (the grey geese and white geese) and ''Branta'' (the black geese). Some other birds, mostly related to the she ...
,
coot Coots are medium-sized water birds that are members of the rail family, Rallidae. They constitute the genus ''Fulica'', the name being the Latin term for "coot". Coots have predominantly black plumage, and—unlike many rails—they are usually ...
s, and herons. Over 300 species of birds have been recorded. The lake is currently empty. The site was operated as an open pit mine from 1929 until 1956, producing over one million tons of crude
diatomite Diatomaceous earth (), diatomite (), or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder. It has a particle size ranging from more than 3 μm to le ...
. With declining production, the land was sold in 1957 to the
County of Los Angeles Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is th ...
for a sanitary landfill, which was in use until 1965. Starting in 1961, an experiment in land reclamation began when County Board of Supervisors approved a motion establishing the site as the South Coast Botanic Garden, which was landscaped over 3.5 million tons of refuse, in an example of
land recycling Land recycling is the reuse of abandoned, vacant, or underused properties for redevelopment or repurposing. Land recycling aims to ensure the reuse of developed land as part of: new developments; cleaning up contaminated properties; reuse and/or ...
. The Sanitation District in cooperation with other County agencies carried out initial planning, grading and contouring. Operating responsibilities were given to the Los Angeles County Department of Arboreta and Botanic Gardens. In April 1961, the first large-scale planting took place on completed fill overlooking Rolling Hills Road, with over 40,000 plants donated by individuals, nurseries and the County Arboretum. The site presents unusual difficulties in gardening. First, its soil is composed almost entirely of diatomaceous earth. Second, because of the diverse nature and thickness of the fill, settling rates vary throughout the garden resulting in frequent irrigation system breakage. Third, heat is caused by decomposition of organic matter below the soil surface, and it is accompanied by the production of gases, primarily
carbon dioxide Carbon dioxide ( chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is trans ...
and
methane Methane ( , ) is a chemical compound with the chemical formula (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The relative abundance of methane on Ea ...
.


See also

* List of botanical gardens in the United States


References


External links


South Coast Botanic Garden

SeeTheGlobe.com article on Visiting the South Coast Botanic Garden
{{coord, 33.78321, N, 118.34430, W, source:placeopedia, display=title Botanical gardens in California Parks in Los Angeles County, California Palos Verdes Peninsula