annual bluegrass plant

Annual bluegrass - Poa annua

Poa annua L.

Poaceae (Grass family)

MI Status

Non-native

Life cycle

Clump-forming winter or summer annual.

Leaves

Hairless, soft, light green leaves are folded in the bud and lack auricles. Leaves have linear margins (sides parallel) and distinctive boat-shaped tips.

Ligule

Slightly pointed membranous ligule.

Stems

Upright, bending, up to 1-foot-tall stems are clump-forming, enlarge by tillering and may root at the lower nodes.

More information and control options

 

Annualbluegrass Poa annua plant
Annual bluegrass – Poa annua – plant
Annualbluegrass Poa annua seed head
Annual bluegrass – Poa annua – seed head
Annualbluegrass Poa annua leaf tip
Annual bluegrass – Poa annua – seed head leaf tip

Other Documents in this Series

You Might Also Be Interested In

Accessibility Questions:

For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing at anrcommunications@anr.msu.edu.

Tag List
  • annuals,
  • msu plant & pest diagnostics,
  • turfgrass,
  • weed

About

Michigan State University
  • Spartans Will.
  • © Michigan State University

MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential.

Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Quentin Tyler, Director, MSU Extension, East Lansing, MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.

The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707.

We comply with the Federal Trade Commission 1998 Children’s Online Privacy Protection Act (COPPA).