4.15.2010

Environmental Limitations and Tolerances


Kentucky Bluegrass is a Cool Season Grass.

Prefers well-drained, moist, neutral to slightly acid, fertile soils; full sun to light shade; good low-temperature tolerance; poor to fair drought tolerance, depending on management and cultivar.

http://www.purdue.edu/envirosoft/lawn/src/grass/midwest.htm

Root growth is greatest in fall and spring and slows dramatically in summer. Root growth of Kentucky bluegrass peaks at soil temperatures of 60°F and declines sharply as temperatures rise above 70°F. Root growth practically ceases at temperatures above 80°F.

It prefers medium moist conditions though it is resistant to drought. It is extremely hardy, bearing severe frost and a long covering of snow without injury.
http://chestofbooks.com/flora-plants/weeds/Fodder-Pasture-Plants/Kentucky-Blue-Grass-Poa-Pratensis-L.html

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