Sisyrinchium angustifolium (Blue-eyed Grass) Ephemeral the tuft forms above the

the tuft forms above the waterline creating a tussock sedge meadow

Big-leaved Aster thrives in well-drained soils that are mesic to dry and can form a tall rhizomatous ground cover

via Wikimedia Commons

Photo 3 By: Schwarze Apfelbeere GFDL CC BY-SA 3

Could be a nice replacement or substitution for boxwood

Sisyrinchium angustifolium (Blue-eyed Grass) Ephemeral the tuft forms above theClusters of beautiful violet blue flowers appear in spring on stalks emerging from very attractive grass like leaves. The plants are fairly easy to grow and will gradually form larger clumps that will impress as a border planting, rock garden, edging along paths or cottage gardens. Interestingly enough, blue eyed grass belongs to the iris family and not the grass family Sun Exposure Prairie Soil Conditions Wet Mesic, Mesic Height 8" 1' Flower Color