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Since the 1950s and early 1960s, 90% of Kentucky bluegrass seed in the United States has been produced on specialist farms in Idaho, Oregon and Washington. During the 1990s [ citation needed ] botanists began experimenting with hybrids of Poa pratensis and Texas bluegrass ( P. arachnifera ), with the goal of creating a drought and heat ...
Kentucky bluegrass (Poa pratensis) is the most extensively used cool-season grass used in lawns, sports fields, and golf courses in the United States. [14] Annual bluegrass ( Poa annua ) can sometimes be considered a weed.
Related: The 8 Best Grass Seed for a Luscious Landscape. ... Cool-season grasses, such as Kentucky bluegrass, fescues, and perennial ryegrass, planted in cold regions go dormant in winter too.
During the purplish blue phase the seed stems have a dark blue coating. "Bluegrass" is a common name given in the United States for grass of the Poa genus, the most famous being the Kentucky bluegrass. [2] Despite its name, Kentucky Bluegrass is native to Europe and was likely introduced around 1600. [3] [4]
Poa annua, or annual meadow grass (known in America more commonly as annual bluegrass or simply poa), is a widespread low-growing turfgrass in temperate climates. Notwithstanding the reference to annual plant in its name, perennial bio-types do exist. [2] This grass originated as a hybrid between Poa supina and Poa infirma. [3]
Magnaporthe poae is an ascomycete fungus which causes the turfgrass disease commonly known as summer patch, or Poa patch. [2] The disease occurs mostly on Kentucky bluegrass (Poa pratensis), Fescues (Festuca sp.), and on Annual bluegrass (Poa annua). [3]
The hybrids appear similar to Kentucky bluegrass, but maintain their green color in higher temperatures. [2] Seed manufacturers began marketing the first of these hybrids, often termed "heat-tolerant bluegrasses", in the first decade of the 21st century.
Blue Grass, Iowa, a city in the United States; Blue Grass, Minnesota, an unincorporated settlement in the United States; Blue Grass, Virginia, an unincorporated settlement in the United States; Bluegrass region, a geographic region in the US state of Kentucky; Blue Grass Airport, an airport in Fayette county, Kentucky