Ophiopogon japonicus 'Mondo Grass'
a/k/a mondo grass, dwarf lily turf, snakebeard
Zones 7 to 10; Filtered sun or deep shade.
Mature size 6 to 12 inches height, forms a dense grass-like groundcover. Dark green, grass-like leaves emerge in clumps from a network of rhizomes that grow just below the soil surface. With age the clumps will merge to form a soft dense carpet of foliage. In summer, tiny spikes of small purple flowers are hidden in the dense foliage. Very easy to grow evergreen perennial, member of the lily family.