Blue-eyed grass is used for its lovely clusters of violet-blue flowers in the spring. It is a clump-forming perennial that has narrow grass-like leaves. Despite the grass-like foliage, the blue-eyed grasses belong to the iris family. It is commonly naturalized in woodland gardens, wild/native gardens, along streams, and in small cottage gardens. It is also effective in borders, rock gardens and as edges for paths and walkways. It is an excellent low maintenance addition to any garden.