Koeleria glauca is also called blue hair grass.  It is a cool season, clumping grass with fine-texured leaves that are very soft to the touch.  A good choice for naturalizing, it grows well in a variety of soils, and is drought tolerant.

Variety:

Koeleria glauca     grey-blue foliage to 1' tall     flowers are narrow, light green turning to buff, to 2' tall     zone 5