Ophiopogon planiscapus ‘Nigrescens’ – Dramatic Black Mondo Grass
Ophiopogon ‘Nigrescens’, commonly known as Black Mondo Grass, is a striking evergreen perennial grown for its arching, strap-like foliage in deep purple-black tones. Forming neat, low-growing clumps, it creates bold contrast in borders, gravel gardens and containers. In summer, small pale pink to lilac flowers appear, followed by glossy dark berries, adding subtle seasonal interest.
Seasonal Beauty & Growth
Spring:
Fresh dark shoots emerge, quickly forming dense clumps of near-black foliage.
Summer:
Delicate pale lilac flowers rise just above the leaves, sometimes followed by dark ornamental berries.
Autumn & Winter:
Evergreen foliage retains its dramatic colour, providing year-round structure and contrast.
Structure & Form
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Low-growing, clump-forming perennial
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Height: 15–20cm
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Spread: 20–30cm
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Arching, strap-like black foliage
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Slow to moderate growth
Ideal for edging paths, underplanting shrubs or creating contrast against lighter foliage.
Perfect for Various Landscapes
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Contemporary Gardens: Bold contrast planting.
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Gravel & Rock Gardens: Adds depth of colour.
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Shaded Borders: Thrives in partial shade.
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Containers: Excellent for mixed patio displays.
Growing Conditions & Care
Position:
Full sun to partial shade. Best colour develops in a bright position with some shelter.
Soil:
Moist but well-drained soil. Avoid prolonged waterlogging.
Hardiness:
Hardy in the UK (approximately -15°C).
Maintenance:
Low maintenance. Remove old foliage in spring if needed. Divide clumps every few years to maintain vigour.
Why Choose Ophiopogon ‘Nigrescens’?
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Dramatic near-black evergreen foliage
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Compact and easy to manage
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Excellent year-round contrast
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Suitable for shade or sun
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Low maintenance
Ophiopogon ‘Nigrescens’ is a versatile and eye-catching perennial that adds depth, drama and modern style to garden planting schemes throughout the year.