Kentucky Bluegrass
Poa pratensis · Cool-season, perennial, C3 grass.
AI-generated identification · may be incorrect
Grass Category
Lawn/Turf
Hardiness Zones
Thrives in USDA Zones 3 to 7, exhibiting excellent cold tolerance and entering winter dormancy during freezing temperatures.
About This Grass
Forms a dense turf with an upright growth habit, typically maintained at 1.5 to 2.5 inches. Exhibits a vibrant medium-to-dark green color and produces an open, pyramidal panicle seed head at maturity.
Blade Characteristics
Medium-fine width with characteristic boat-shaped tips and parallel veins. Leaves are folded in the bud (vernation) with a membranous ligule and absent auricles.
Growing Information
Growth Habit
Aggressively rhizomatous, forming a dense, uniform sod with moderate to fast spread.
Sunlight & Water Needs
Requires full sun for optimal density and color, with moderate to high water needs. Prefers well-drained, fertile soils with a pH between 6.0 and 7.0.
Mowing & Maintenance
Mow regularly at 2 to 2.5 inches to prevent scalping. Requires moderate to high maintenance including regular fertilization and occasional dethatching.