Kentucky Bluegrass

Poa pratensis · Cool-season perennial, C3 photosynthesis, excellent cold tolerance.

AI-generated identification · may be incorrect
Kentucky Bluegrass

Grass Category

Lawn/Turf

Hardiness Zones

USDA Zones 3 to 7, exceptionally cold-hardy, goes into winter dormancy during freezing periods.

About This Grass

Forms a dense, fine-textured turf with dark green to blue-green color, reaching heights of 1.5 to 2.5 inches when maintained. Produces a pyramidal panicle seed head at maturity.

Blade Characteristics

Medium-narrow width with distinct boat-shaped tips, folded vernation, and a membranous ligule without auricles.

Growing Information

Growth Habit

Aggressively rhizomatous, forming a dense turf with a moderate spread rate.

Sunlight & Water Needs

Requires full sun for optimal growth and moderate to high watering; exhibits fair drought dormancy and prefers well-drained, fertile soils with a pH of 6.0-7.0.

Mowing & Maintenance

Mow at 2.0 to 3.0 inches regularly; requires moderate to high maintenance including regular fertilization and occasional dethatching.

Identified on 10/19/2026