Poa infirma is a species of grass known by the common names early meadow-grass[1] and weak bluegrass.

It was first described from a specimen found in Colombia, but it is actually an introduced species in the Americas and is native to Europe.

[2] It grows in many types of habitat, including disturbed areas.

[3] This is a small, densely tufted annual grass growing up to 15 centimetres (6 in) tall.

The inflorescence is a series of branches bearing flattened spikelets which have tufts of curly hairs.