Kentucky Bluegrass
Poa pratensis · Cool-season, perennial, C3 pathway.
AI-generated identification · may be incorrect
Grass Category
Lawn/Turf
Hardiness Zones
USDA Zones 3 through 7, featuring excellent cold tolerance and entering winter dormancy under freezing temperatures.
About This Grass
Forms a dense, fine-textured carpet with a rich green color that can go dormant and turn brown during summer heat or severe drought. Reaches a typical height of 1.5 to 2.5 inches if unmowed and produces an open, pyramidal panicle seed head.
Blade Characteristics
Fine to medium width with distinctive boat-shaped tips and parallel sides. Features folded vernation in the bud shoot and a short membranous ligule.
Growing Information
Growth Habit
Aggressively rhizomatous, forming a dense, uniform turf with moderate to fast spread.
Sunlight & Water Needs
Requires full sun for optimal performance, though it tolerates very light shade. Needs regular watering and prefers well-drained fertile soils with a pH between 6.0 and 7.0.
Mowing & Maintenance
Mow at 2.0 to 3.5 inches regularly during the active growing season. Requires moderate to high maintenance including regular fertilization and occasional dethatching.