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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]
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 ...
Poa arachnifera, the Texas bluegrass, is a species of grass. It is a dioecious perennial plant, native to the southern Great Plains of the United States . [ 1 ]
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 ]
Bluegrass (grass), several species of grasses of the genus Poa Kentucky bluegrass ( Poa pratensis ), one well-known species of the genus Not to be confused with Blue grama grass ( Bouteloua gracilis ), another species of grass.
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 February 2025. U.S. state This article is about the U.S. state. For the river, see Kentucky River. For other uses, see Kentucky (disambiguation). State in the United States Kentucky State Commonwealth of Kentucky Flag Seal Nickname: The Bluegrass State Motto(s): United we stand, divided we fall Deo ...
Optimum factors for ideal pollination are a relative humidity rate of 50–70% and temperature of 24.4 °C. If the humidity rate is higher than 90%, the pollen would not shed. Increasing air circulation is a favourable method of keeping humidity levels under control. [4]