
The Bluegrass region is a geographic region in the U.S. state of
Kentucky
Kentucky (, ), officially the Commonwealth of Kentucky, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Illinois, Indiana, and Ohio to the north, West Virginia to the ...
. It makes up the central and northern part of the state, roughly bounded by the cities of
Frankfort,
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
,
Richmond and
Stanford
Leland Stanford Junior University, commonly referred to as Stanford University, is a private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth governor of and th ...
.
It is part of the
Interior Low Plateaus
The Interior Low Plateaus are a physiographic region in eastern United States. It consists of a diverse landscape that extends from north Alabama across central Tennessee and Kentucky into southern Illinois, Indiana, and Ohio. Its natural commun ...
ecoregion.
"Bluegrass" is a common name given in the United States for grass of the ''
Poa
''Poa'' is a genus of about 570 species of Poaceae, grasses, native to the temperate regions of both hemispheres. Common names include meadow-grass (mainly in Europe and Asia), bluegrass (mainly in North America), tussock (some New Zealand spe ...
'' genus, the most famous being the
Kentucky bluegrass. Despite its name, Kentucky bluegrass is native to North Africa and was likely introduced around 1600.
Geology
The Bluegrass region is characterized by underlying
fossiliferous limestone,
dolomite, and
shale
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of Clay mineral, clay minerals (hydrous aluminium phyllosilicates, e.g., Kaolinite, kaolin, aluminium, Al2Silicon, Si2Oxygen, O5(hydroxide, OH)4) and tiny f ...
of the
Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...
geological
Geology (). is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. Modern geology significantly overlaps all other Earth s ...
age. Hills are generally rolling, and the soil is highly fertile for growing pasture.
The Kentucky Bluegrass is bounded on the east by the
Cumberland Plateau
The Cumberland Plateau is the southern part of the Appalachian Plateau in the Appalachian Mountains of the United States. It includes much of eastern Kentucky and Tennessee, and portions of northern Alabama and northwest Georgia. The terms " Al ...
, with the
Pottsville Escarpment forming the boundary. On the south and west, it borders the
Pennyroyal Plateau
The Pennyroyal Plateau or Pennyroyal Region, often spelled Pennyrile, is a large physiographic region of Kentucky that features rolling hills, caves, and karst topography in general. It is named for '' Hedeoma pulegioides'' (the American pennyroy ...
, (also called the Pennyrile), with
Muldraugh Hill, another
escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
Due to the similarity, the term '' scarp'' may mistakenly be incorrectly used inte ...
, forming the boundary. Much of the region is drained by the
Kentucky River
The Kentucky River is a tributary of the Ohio River in Kentucky, United States. The river and its tributaries drain much of eastern and central Kentucky, passing through the Eastern Coalfield, the Cumberland Mountains, and the Bluegrass re ...
and its tributaries. The river cuts a deep canyon called the
Kentucky River Palisades through the region, preserving
meander
A meander is one of a series of regular sinuous curves in the Channel (geography), channel of a river or other watercourse. It is produced as a watercourse erosion, erodes the sediments of an outer, concave bank (cut bank, cut bank or river cl ...
s that indicate that the river was once a mature low valley that was suddenly uplifted. Particularly near the Kentucky River, the region exhibits
Karst
Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and Dolomite (rock), dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. Ther ...
topography, with
sinkholes
A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water ...
, caves, and
disappearing streams that drain underground to the river.
History
Prehistory
Before European-American settlement, various cultures of
Indigenous peoples of the Americas
In the Americas, Indigenous peoples comprise the two continents' pre-Columbian inhabitants, as well as the ethnic groups that identify with them in the 15th century, as well as the ethnic groups that identify with the pre-Columbian population of ...
lived in the region. The pre-colonization state of the Bluegrass is poorly known, but it is thought to have been a type of
savannah
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach th ...
known as
oak savanna, with open
grassland
A grassland is an area where the vegetation is dominance (ecology), dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes such as clover, and other Herbaceo ...
containing
clover
Clovers, also called trefoils, are plants of the genus ''Trifolium'' (), consisting of about 300 species of flowering plants in the legume family Fabaceae originating in Europe. The genus has a cosmopolitan distribution with the highest diversit ...
,
giant river cane (a type of
bamboo
Bamboos are a diverse group of mostly evergreen perennial plant, perennial flowering plants making up the subfamily (biology), subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family, in th ...
), and scattered enormous trees, primarily
bur oak
''Quercus macrocarpa'', the bur oak or burr oak, is a species of oak tree native to eastern North America. It is in the white oak section, ''Quercus'' sect. ''Quercus'', and is also called mossycup oak, mossycup white oak, blue oak, or scrub ...
,
blue ash,
Shumard's oak,
chinkapin oak, and
kingnut hickory. Some of these trees, which are hundreds of years old, still stand in old pastures in the Bluegrass. The thickets of giant river cane, known as
canebrakes, created a dense undergrowth that made it impossible to find 10 uncleared acres that were not full of cane. The local indigenous peoples hunted its large herds of
bison
A bison (: bison) is a large bovine in the genus ''Bison'' (from Greek, meaning 'wild ox') within the tribe Bovini. Two extant taxon, extant and numerous extinction, extinct species are recognised.
Of the two surviving species, the American ...
and other game, especially near
mineral lick
A mineral lick (also known as a salt lick) is a place where animals can go to lick essential mineral nutrients from a deposit of salts and other minerals. Mineral licks can be naturally occurring or artificial (such as blocks of salt that fa ...
s. The name "Kentucky" likely comes from the word for "
meadow
A meadow ( ) is an open habitat or field, vegetated by grasses, herbs, and other non- woody plants. Trees or shrubs may sparsely populate meadows, as long as they maintain an open character. Meadows can occur naturally under favourable con ...
lands" in
Iroquoian
The Iroquoian languages () are a language family of indigenous peoples of North America. They are known for their general lack of labial consonants. The Iroquoian languages are polysynthetic and head-marking.
As of 2020, almost all surviving I ...
, but has several other possible origins. Europeans adopted the name to apply to the state. "Bluegrass" is a common name given in the United States for grass of the ''
Poa
''Poa'' is a genus of about 570 species of Poaceae, grasses, native to the temperate regions of both hemispheres. Common names include meadow-grass (mainly in Europe and Asia), bluegrass (mainly in North America), tussock (some New Zealand spe ...
'' genus, the most famous being the
Kentucky bluegrass.
Post-colonial
During the decades which followed the
American Revolutionary War
The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was the armed conflict that comprised the final eight years of the broader American Revolution, in which Am ...
(1775–1783), Americans settled in great numbers in the region. They migrated mostly from
Virginia
Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
. By 1800 these planters noticed that horses grazed in the Bluegrass region were more hardy than those from other regions; this is due to the soil's high
calcium
Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to it ...
content. Within decades of increased settlement, the remaining herds of bison had moved west. The breeding of
Thoroughbred
The Thoroughbred is a list of horse breeds, horse breed developed for Thoroughbred racing, horse racing. Although the word ''thoroughbred'' is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thorough ...
horses was developed in the region, as well as of other quality livestock. Kentucky livestock was driven to
Tennessee
Tennessee (, ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Kentucky to the north, Virginia to the northeast, North Carolina t ...
and other areas of the
Ohio River
The Ohio River () is a river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from Pittsburgh, Pennsylvania, to its river mouth, mouth on the Mississippi Riv ...
valley for sale.
Planters, supported by
slave labor
Slavery is the ownership of a person as property, especially in regards to their labour. Slavery typically involves compulsory work, with the slave's location of work and residence dictated by the party that holds them in bondage. Enslavemen ...
, also cultivated major commodity crops on plantations, such as
tobacco
Tobacco is the common name of several plants in the genus '' Nicotiana'' of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the ...
,
hemp
Hemp, or industrial hemp, is a plant in the botanical class of ''Cannabis sativa'' cultivars grown specifically for industrial and consumable use. It can be used to make a wide range of products. Along with bamboo, hemp is among the fastest ...
(see
Hemp in Kentucky), and grapes (see
Kentucky wine). The first commercial
winery
A winery is a building or property that produces wine, or a business involved in the cultivation and production of wine, such as a wine company. Some wine companies own many wineries. Besides wine making equipment, larger wineries may also feat ...
in the United States was opened in the Bluegrass region in 1801, in present-day
Jessamine County by a group of Swiss immigrants.
It was authorized by the
Kentucky General Assembly
The Kentucky General Assembly, also called the Kentucky Legislature, is the state legislature of the U.S. state of Kentucky. It comprises the Kentucky Senate and the Kentucky House of Representatives.
The General Assembly meets annually in th ...
.
20th century to present
Since the
antebellum
Antebellum, Latin for "before war", may refer to:
United States history
* Antebellum South, the pre-American Civil War period in the Southern US
** Antebellum Georgia
** Antebellum South Carolina
** Antebellum Virginia
* Antebellum architectu ...
years, the region has been a center for breeding quality livestock,
especially thoroughbred race horses. Since the late 20th century, the area has become increasingly developed with residential and commercial properties, particularly around
Lexington, the business center. Farms are losing ground to development and slowly disappearing. In 2006, the
World Monuments Fund included the Bluegrass region on its global list of
100 most endangered sites.
Although
Bluegrass music
Bluegrass music is a genre of American roots music that developed in the 1940s in the Appalachian region of the United States. The genre derives its name from the band Bill Monroe and the Blue Grass Boys. Bluegrass has roots in African America ...
is popular throughout the region, the genre is named after the band
Bill Monroe and the Blue Grass Boys, which in turn took their name from the state nickname of Kentucky.
Gallery
Bluegrass stonewall 8097.JPG, Bluegrass and rock fence of local limestone
Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
in central Kentucky
Kentucky (, ), officially the Commonwealth of Kentucky, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Illinois, Indiana, and Ohio to the north, West Virginia to the ...
Kentucky River 8100.JPG, Kentucky River
The Kentucky River is a tributary of the Ohio River in Kentucky, United States. The river and its tributaries drain much of eastern and central Kentucky, passing through the Eastern Coalfield, the Cumberland Mountains, and the Bluegrass re ...
in the Bluegrass region
Country road in Kentucky.jpg, Narrow country roads bounded by stone and wood plank fences are a fixture in the Bluegrass region.
References
Further reading
*
Klotter, James C. and Daniel Rowland, eds. ''Bluegrass Renaissance: The History and Culture of Central Kentucky, 1792–1852'' (Lexington: University Press of Kentucky, 2012),
* Raitz, Karl, and Nancy O'Malley, "The Nineteenth-Century Evolution of Local-Scale Roads in Kentucky's Bluegrass," ''Geographical Review'', 94 (October 2005), 415–39
* WPA, ''Kentucky: A Guide to the Bluegrass State '' (1939); classic guide from the Federal Writers Project; covers main themes and every tow
online
External links
Bluegrass Heritage MuseumLocal Directory for Frankfort, the State Capital*
*
{{Kentucky
Regions of Kentucky