Black Mondo Grass Ophiopogon Nigrescens Set of 6 Potted Plants | Easy To Grow! Black Mondo grass is the top selling ornamental grass for container plantings! Jet-black foliage makes a statement in the garden. Ideal for use in Asian gardens, around water features or when planted in mass. One of the best lawn substitute plants and especially effective planted between stepping stones or between rocks of a water feature. Very nice in a woodland setting. Easy to grow and maintain. Contains (6) 4" potted plants These plants are grown and shipped in 4 inch containers with soil, actively growing! Pesticide Free: All of our plants are grown using only organic methods! Zone: USDA zone 6-10, Zone 6 in protected locations Size: 6 inches high by 6 inches wide.! Ground cover, lawn substitute, rock gardens, water feature surrounds, stepping stones, path edging, plant in mass for maximum impact.