Liriope - Big BlueLiriope Big Blue (Liriope muscari) A Hardy, Low Maintenance Groundcover with Rich Purple Blooms and Evergreen Texture Liriope Big Blue (Liriope muscari) is a reliable, easy care ornamental perennial widely used for its dense, grass like foliage and spikes of deep purple flowers. Blooming in late summer, this versatile plant forms tidy clumps of arching green leaves that provide year round structure in the landscape. Adaptable to sun or shade and