Ophiopogon planiscapus ‘Nigrescens’

black mondo grass

(3 customer reviews)


Black Mondo Grass (Ophiopogon planiscapus ‘Nigrescens’) is a striking ornamental grass prized for its deep, dark foliage. This low-growing, evergreen perennial adds dramatic contrast to gardens with its blackish-purple leaves. It thrives in partial to full shade and well-draining soil.


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Origin: Japan
Genus: Ophiopogon
Species / Cultivar: planiscapus var. 'Nigrescens'
Common Name: black mondo grass
Synonym: O.planiscapus var. ' Kokuryu', O. 'Black Dragon'

Plant Biography

Ophiopogon planiscapus ‘Nigrescens’ is a cultivar of the species Ophiopogon planiscapus which is native to East Asia and has been cultivated for centuries. The exact origins of the ‘Nigrescens’ cultivar are not well-documented, but it likely emerged through natural variations or selective breeding to enhance its dark, blackish-purple foliage.

Much beloved of Garden Designers, the Black Mondo Grass is simply stunning – one of the truest black shades available in the plant world.

Black spidery mounds will spread by runners into dense colonies – mauve flowers in late summer are followed by glossy black berries.

It provides an unsurpassed colour contrast with practically anything you choose to grow with it – be it yellows, greens, greys.

For the best colour and overall performance grow Ophiopogon planiscapus ‘Nigrescens’ in full sun in a moist soil – such a star plant deserves good treatment.

Impress your friends by learning to pronounce it, too!

Ophiopogon planiscapus 'Nigrescens'
Soil: Moist but Well Drained
Soil that allows water to drain at a moderate rate, without the water pooling.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Final Size: Small
Will stay small enough for a desk or shelf.
Water Requirement: Medium
Once it is established, this plant is likely to only require watering during drier periods.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Situation: Full Sun to Full Shade
Tolerates the complete range of light levels, a very accommodating plant!
Eventual Height: 0.1 - 0.5m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 0.1 - 0.5m
The plant's ultimate spread in typical growing conditions.
Hardiness: Hardy
Survives unprotected in an average winter. May need protection in extreme long frosts.
Habit: Evergreen
Always in leaf throughout the year. It won't lose all its leaves at any one time.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care & Size Guidance

Care & Size Guidance

Ophiopogon planiscapus ‘Nigrescens’is a low-maintenance ornamental grass with easy care requirements. Plant it in well-draining soil in either sun or shade (although sun will bring out the darker colours better). Once established, it is drought-tolerant, making it ideal for low-water gardens, however regular watering during the growing season will promote healthy growth.

In terms of size, Black Mondo Grass typically reaches a height of about 15 to 25 cm with a spread of approximately 30 to 45 cm. Its compact and clumping habit makes it ideal for ground cover or edging in gardens. The blackish-purple foliage adds striking contrast and year-round allure to any landscape. Enjoy the captivating beauty and minimal maintenance of Black Mondo Grass in your garden.

3 customer reviews for Ophiopogon planiscapus ‘Nigrescens’

Would just like to say what lovely plants I received from you,and the packing was great. Will definately buy from you again. Thank you.

Margaret Keepin

Well packaged and fast delivery, to my requests and requirements.
Healthy, established plants, many per pot.
By far the best value available, and service to match.
Thank you very much.

Sean O.

Very nice healthy plant, arrived quick, came in very spacious box. Replant it a week ago – seems slowly growing good. Thank you! Definitely will visit your centre soon.

Anna Tiffin