Ophiopogon planiscapus ‘Nigrescens’ | Black Mondo Grass

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DESCRIPTION
Ophiopogon planiscapus 'Nigrescens', commonly known as black mondo grass, is a bold ornamental plant prized for its dramatic, nearly black, strap-like foliage. Blooming in mid to late summer, it produces small, bell-shaped, pale lilac to white flowers that appear in clusters among the dark leaves. Following the blooms, glossy black berries develop, adding further visual interest.

Native to Japan, 'Nigrescens' is valued for its unusual foliage color and texture. It’s often used in borders, rock gardens, or as ground cover, where its dark leaves provide striking contrast to lighter plants, making it a unique addition to a variety of garden designs. The combination of moody foliage and delicate flowers gives it a strong ornamental appeal year-round.

DESCRIPTION
Ophiopogon planiscapus 'Nigrescens', commonly known as black mondo grass, is a bold ornamental plant prized for its dramatic, nearly black, strap-like foliage. Blooming in mid to late summer, it produces small, bell-shaped, pale lilac to white flowers that appear in clusters among the dark leaves. Following the blooms, glossy black berries develop, adding further visual interest.

Native to Japan, 'Nigrescens' is valued for its unusual foliage color and texture. It’s often used in borders, rock gardens, or as ground cover, where its dark leaves provide striking contrast to lighter plants, making it a unique addition to a variety of garden designs. The combination of moody foliage and delicate flowers gives it a strong ornamental appeal year-round.

  • Family: Asparagaceae
    Height: 6 to 12 inches
    Width: 6 to 12 inches, slowly spreading clumps
    Foliage color: Black or dark purple
    Flower color: Pale lavender to white
    Bloom time: Summer
    Light requirements: Full sun to partial shade
    Water requirements: Average
    Maintenance: Low
    Growing zone: USDA zones 6 to 9
    Wildlife attractors: Bees (pollinators)

    This plant can be seen at the Center for Urban Horticulture.

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  • Works Well In:
    ‍ ‍ ● Formal Gardens
    ‍ ‍ ● Rock Gardens
    ‍ ‍ ● Containers
    ‍ ‍ ● Borders

    Companion Plants:
    ‍ ‍ Ajugas Heathers
    Heucheras Japanese forest grass
    Acorus Autumn ferns

    Design Tip:
    Repeat this dark foliage along pathways or at the front of planting beds where its dramatic color creates bold definition. Pair it with golden foliage, silver leaves, and lighter flowering companions to produce striking contrast and a refined, layered composition.