First keep in mind these grasses offer screening during only part of the year. They all need to be cut down to a few inches this time each year, and require several months to regain full height.

Calamagrostis x acutiflora 'Karl Foerster'
Carex pendula
Chasmanthium latifolium
Festuca gigantea

Use the link below to review photos of the grasses, their habits and cultural information.

Here is a link that might be useful: Bluestem

Wow, that chart was really useful. Actually, I guess grass makes a bad screen. But I can find other places around the yard. Thanks for the help.