Ophiopogon planiscapus ‘Nigrescens’
Overview
Uses: Groundcover, border edging, contrast planting, mass plantings, containers, patio pots
Benefits: Deep near-black evergreen foliage, compact clumping habit, strong contrast against lighter plants, dependable performance in a range of light conditions
USDA Hardiness Zones: 5–10
Sun: Full Sun to Partial Shade
Life Cycle: Hardy Perennial
Growth Habit: Clumping, Groundcover — dense tufts that slowly expand
Bloom Color: Pale Lavender
Foliage Color: Deep Purple to Black
Mature Height: 6–8 inches
Mature Width: 8–12 inches
Bloom Season: Summer
Growth Rate: Slow
Summary
Black Mondo Grass offers dramatic contrast with its deep, nearly black foliage that remains attractive throughout the year in milder climates. Its compact form and dark color make it a striking accent in borders, rock gardens, and container arrangements.
In summer, small pale lavender flowers rise subtly above the foliage and may be followed by dark berries. While blooms are understated, the foliage remains the primary ornamental feature.
This hardy perennial forms dense clumps that gradually widen over time, making it ideal for edging pathways, softening stonework, or providing contrast against chartreuse, silver, or bright green plants.
Care
Black Mondo Grass Care
Plant in well-drained soil enriched with organic matter. While adaptable to a range of soils, consistent moisture during establishment encourages strong root development.
Once established, plants tolerate brief dry periods but perform best in evenly moist, well-drained conditions.
Apply a balanced slow release fertilizer in early spring to support steady growth and rich foliage color.
In colder regions, foliage may brown during harsh winters but typically recovers in spring. Trim damaged leaves in late winter or early spring before new growth begins.
Container Growing
Black Mondo Grass performs well in containers and patio planters with proper drainage. Container-grown plants require more frequent watering than those planted in the ground.
Use a high-quality potting mix and ensure containers do not remain waterlogged.
Plants hardy in the ground may require winter protection when grown in containers in colder zones.
Size
What Size is the Black Mondo Grass for Sale Online?
Plants ship in a greenhouse-grade grow pot and are actively growing at the time of shipment. Each plant is well-rooted and appropriately sized for its container. If you have specific sizing questions, please contact us for additional details.
How Large Does Black Mondo Grass Grow?
Mature plants typically reach 6–8 inches tall and spread 8–12 inches wide, forming dense clumps that slowly expand over time.
Additional Information
What are some common names for this plant?
- Black Mondo Grass
- Mondo Grass
- Dwarf Black Mondo
Is Black Mondo Grass truly a grass?
Despite its common name, this plant is not a true grass. It is a perennial in the lily family and grows in dense, grass-like clumps.
Where does Black Mondo Grass work best in the landscape?
Its dark foliage makes it especially effective as a contrast plant among lighter perennials and shrubs. It performs well in borders, rock gardens, and as a distinctive groundcover. It also pairs beautifully with plants from our Perennials collection for layered garden designs.
Will Black Mondo Grass spread aggressively?
No. This variety expands slowly by forming tight clumps, making it manageable and well suited for defined planting areas.