Scientific NamePoa pratensis
Other Common Names:
alpine meadow grass
This mat-forming, erect perennial can grow up to 24 inches in height. It can be found flowering from April through October.
The blade-like leaves grow from 1/3 to 6 inches in length, and 1 to 3mm in width. Each leaf has a curved tip and a smooth, loose sheath. The ligule is membranous, very short (0.2-1mm).
The time between the appearances of new leaves can range from 10 days in the spring, to 22 days in late summer. Each leaf remains green for 10 to 12 days.
Flower Seed Head
The flowers grow in spikelets with 2 to 6 flowers per spikelet.
The seeds develop in a greenish white panicle that it pyramidal in shape. Each small tan or brown seed is elliptical in shape with pointed ends.
This plant prefers soil with poor drainage.
Leaf Hair on Upper Surface
Mature Leaf Width
less than 5 mm
less than 1 mm