Kentucky Bluegrass

Poa pratensis · Cool-season, perennial, C3

AI-generated identification · may be incorrect
Kentucky Bluegrass

Grass Category

Lawn/Turf

Hardiness Zones

USDA zones 3 to 7, exhibiting excellent cold tolerance and winter dormancy, but susceptible to severe summer heat stress.

About This Grass

Forms a dense, medium-textured turf with a rich green color, reaching typical heights of 1.5 to 2.5 inches. Produces open, pyramidal panicle seed heads at maturity.

Blade Characteristics

Medium-fine width with characteristic boat-shaped tips and parallel veins, folded vernation in the bud shoot, and a short membranous ligule without auricles.

Growing Information

Growth Habit

Aggressively rhizomatous, forming a dense turf and spreading moderately fast

Sunlight & Water Needs

Requires full sun for optimal density and color, moderate to high watering needs with moderate drought dormancy, preferring well-drained fertile soils with a pH of 6.0 to 7.0.

Mowing & Maintenance

Mow at 2 to 3 inches regularly, requires moderate to high fertilization and occasional dethatching due to its dense sod-forming habit.

Identified on 9/25/2026
Kentucky Bluegrass - Poa pratensis | Grass Identifier