Liriope, also commonly called border grass is not actually a grass but a member of the lily family, a fact that inspires another of its common names, lilyturf. The variegated, ribbonlike foliage grows in length from 10 to 18 in (25-46 cm) and then recurves toward the ground to form rounded clumps. As the clumps mature, they merge into a continuous carpet that resembles a plot of shaggy lawn grass. In summer, spikes of showy purple, flowers rise from the center of clumps. Flowers are followed by pea-sized black or white berries in autumn. Liriope spreads quite fast in reasonable soil, creating a substantial tuberous root mass. This plant is a true survivor and will grow almost anywhere! Sun to shade. Zones 7-10. Use liriope to outline planting beds and to trace the route of paths and walkways. Liriope is fast growing, this is an ideal shape defining plant in the landscape, traits that have earned it another common name border grass. Liriope is one of the best and most beautiful ground covers for shady gardens and even boasts summertime color.