Kentucky Bluegrass

Poa pratensis                                                                               

This dark green perennial creeps by rhizomes and forms a dense sod. There are many improved varieties with various characteristics. Widely distributed throughout the United States except for arid regions and the deep south.

Identifying Characteristics

  • Stolons: None
  • Rhizomes: Present
  • Leaves: Folded in the bud
  • Ligule: Membranous, very short, collar-like, 0.2-1mm long
  • Collar: Slightly divided by midrib, medium broad, may have fine hairs on the edge
  • Auricles: Absent
  • Sheaths: Flattened, not hairy, closed but splits with maturity
  • Blades: Usually V-shaped, sharply creased below, boat-shaped tip, two distinct, clear lines one on each side of the midrib, 2-4mm wide
  • Seedhead:  open, pyramidial panicle


  • Mowing Height: 2 to 3 inches
  • Establishment: Seed, Sod
  • Fertilization: 1 to 3 lbs/1000ft2/year
  • Adaptation: Piedmont & mountains