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~ All About Dwarf mondo grass ~
Mondo grass 'Nana' (Ophiopogon japonicus nana) is a versatile and low-maintenance plant that works beautifully as a living carpet. Often used as ground cover, it creates a dense, evergreen layer that suppresses weeds and softens garden edges. Its narrow, dark green leaves provide texture and contrast, making it a favorite for both formal and casual landscapes.
Planting mondo grass is simple and rewarding. Space small clumps about 6 to 12 inches apart to allow the plants to fill in naturally. Choose a location with well-drained soil, and water lightly after planting to help roots establish. Mondo grass performs well in borders, walkways, and under trees where grass may struggle to grow.
Understanding its growing conditions ensures healthy growth. This plant tolerates a range of light, from full sun to partial shade, though partial shade often produces the best color and leaf density. It prefers moist but well-drained soil and can handle occasional drought once established. Fertilize lightly in spring to encourage steady growth.
In addition to green-leaved varieties, gardeners may also consider Ophiopogon planiscapus ‘Nigrescens’, commonly known as black mondo grass. This striking cultivar features deep purple to nearly black foliage that creates dramatic contrast in garden designs. Unlike ‘Nana’, it grows slightly taller and more upright, making it well suited for edging, containers, and accent plantings. Black mondo grass prefers full sun to partial shade, with brighter light helping maintain its dark coloration.
Mondo grass 'Nana' care is minimal. Remove debris and trim old or damaged leaves to keep a neat appearance. The plant spreads slowly, forming dense clumps over time. For faster coverage or to propagate new plants, gardeners can use propagating techniques such as dividing established clumps.
Transplanting mondo grass 'Nana' is straightforward. Lift established clumps in early spring or fall, separate them into smaller sections, and replant immediately. Keep the soil moist until the plants settle and new growth appears.
With its evergreen foliage, low maintenance, and adaptability, mondo grass offers an attractive, long-lasting solution for gardeners seeking a reliable ground cover.
Yes, mondo grass ‘Nana’ spreads slowly through underground rhizomes. It forms dense clumps over time, making it an effective low-growing ground cover.
Plant mondo grass ‘Nana’ in well-drained soil with partial to full shade. Dig small holes for each clump, set the roots gently, and cover with soil. Water lightly after planting to help establish roots.
‘Nana’ spreads slowly. It may take several seasons to fully fill a space, so be patient. Dividing and replanting clumps can speed up coverage.
Yes, mondo grass ‘Nana’ grows well in shade. It tolerates partial and deep shade, which makes it perfect for planting under trees or along shaded paths.
The best time to plant mondo grass ‘Nana’ is spring or early fall. These seasons give the roots time to establish before extreme heat or cold.
Space each clump about 6 to 12 inches apart. This allows room for spreading and ensures even coverage as the plants mature.
Mondo grass ‘Nana’ is very compact, usually growing 2 to 4 inches tall. Its low profile makes it ideal for borders, edging, and rock gardens.
Yes, you can plant in the fall as long as the soil is workable. Plant early enough so the roots can establish before frost. Mulching lightly can protect new plants during winter.
Last updated on May 31, 2026
Species suggested by: Dina Russell, 2020
Plant Profile compiled and written by: Team PlantShare
Contributors: Team PlantShare
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