Protected Series:
Zone: 6BLACK MONDO GRASS
Ophiopogon planiscapus 'Nigrescens', commonly known as Black Mondo Grass, is one of the most striking and unusual plants in the gardening world due to its nearly jet-black foliage. This slow-growing, evergreen perennial forms low, dense tufts of leathery, strap-like blades that typically reach 6 to 9 inches tall. While it appears to be a grass, it is actually a member of the asparagus family and spreads very slowly via underground rhizomes to create a dramatic, dark carpet. In mid-summer, it produces small, nodding racemes of pale lavender to white flowers that provide a stark, ghostly contrast against the dark leaves, followed by shiny, dark purple-black berries that persist into winter.
Caring for Black Mondo Grass is remarkably simple, as it is a durable and long-lived plant once established. It performs best in full sun to partial shade; in cooler climates, full sun helps intensify the black pigment, while in hotter regions, a bit of afternoon shade prevents the leaf tips from scorching. This plant prefers rich, moist, and well-drained soil that is slightly acidic, though it is quite adaptable once its root system is mature.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
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To help Ophiopogon (Mondo Grass) settle in and thrive, we recommend these standard planting practices: Plant in rich, well-draining soil in a location ranging from partial to full shade. Ophiopogon (Mondo Grass) is a fine-textured, grass-like perennial that excels as a groundcover or edging plant, particularly in shady areas where true grasses often struggle. Unlike many ornamental grasses, it is highly shade-tolerant and maintains its evergreen appearance throughout the year. Keep the soil consistently moist, especially during the first growing season, to ensure it establishes its root system. It requires minimal maintenance, though you may gently groom the foliage in early spring to remove any winter damage.
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