Kentucky bluegrass
Poa pratensis L.


Poa pratensis, commonly known as Kentucky Bluegrass or Common Meadow-grass, is a perennial species of grass. A long-lived sodgrass with rhizomes, growing 0.5-3 ft. (0.2-0.9 m) tall.
Mostly basal, nearly glabrous; blades V-shaped, narrow, 1-7 in. (2.5-17.8 cm) long, with boat-shaped tips and two prominent veins along the center of the upper surface of the leaf which appear as miniature railroad tracks.
The flower is its dense seed head. It flowers from May-July.
Open, spreading, pyramidal panicle, 2-8 in. (5.1-20.3 cm) long, with panicle branches whorled in groups of 3 to 5; spikelets contain 3 to 5 florets; lemmas awnless but cobwebby-hairy at base.
Ecological Threat
Poa pratensis grows in lawns, roadsides and ditches. It is native to Europe, Asia, North America, and northern Africa.


Selected Images


EDDMapS Distribution

EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit

State Regulated List

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit

State Regulated List
   No Data for this state
   Troublesome or Common weed in one or more crops

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae
Genus: Poa
Subject: Poa pratensis L.


Plants - Grass or Grasslike