Black Mondo Grass
Ophiopogon planiscapus 'Nigrescens'
Black Mondo Grass
Ophiopogon planiscapus 'Nigrescens'
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- Ophiopogon planiscapus ‘Nigrescens’, commonly known as Black Mondo Grass, is a low growing, clumping perennial that’s all about contrast and detail. Its deep, near black foliage makes it one of the most effective plants for adding visual depth to a planting.
- The leaves are narrow and grass like, forming small, tidy clumps that stay compact and controlled. The color is what really sets it apart—dark purple to almost jet black—which creates a strong contrast against lighter greens and silvery tones.
- It works especially well in borders, between stepping stones, or as an accent plant in smaller spaces where the color can be appreciated up close. It’s often used to define edges or create pattern within a design.
- In summer, it may produce small, pale pink to lavender flowers followed by dark berries, though these are subtle and secondary to the foliage.
- Ophiopogon ‘Nigrescens’ grows best in partial shade to full shade, though it can tolerate some sun in milder climates. It prefers well drained soil and benefits from consistent moisture, especially during establishment.
- It typically stays around 6 to 10 inches tall and slowly spreads by clumping, forming a low, dense ground layer. It is well suited for USDA zones 5 through 10. The foliage is evergreen to semi evergreen depending on conditions.
- This plant has low toxicity and is generally safe for gardens with pets and children.
- The flowers may attract minor pollinator activity.
- It is generally deer resistant.
- Ophiopogon planiscapus ‘Nigrescens’ fits especially well into modern, Japanese-inspired, and contrast driven garden designs, where its color can be used to define space and create visual rhythm.
- It pairs well with plants like Gardenia jasminoides ‘Veitchii’ to contrast the glossy green foliage, Buxus microphylla var. japonica for a clean, structured form, and Hydrangea macrophylla to introduce larger foliage and seasonal blooms that play off the dark base.
- Expert Tip:
- I like using this in repetition to create a strong visual rhythm. One or two plants can get lost, but when you group or line them out, that dark color really starts to define the space and gives the design a more intentional feel. This goes perfect with Zen gardens or woodland themes.
- — Nick from Rooted Theory
Foliage:
Evergreen,
Semi-deciduous
Mature Width:
1-2'
Mature Height:
6-12"
Sun Exposure:
Part Shade,
Full Shade
Bloom Season:
Summer
Form:
Grasslike
Proper planting technique will help your plants thrive! Follow these simple steps to help your plants establish quickly, develop a strong root system, and live longer:
- Properly dig the hole
- Amend the soil to suit each particular plant
- Place the plant and backfill the soil
- Provide ample water for each particular plant
- Review our how to plant guide!
For detailed information, please download our planting guides: