Black mondo grass (Ophiopogon planiscapus)
Care, watering, light and tips for Black mondo grass on Floravia.
Quick facts
- Family: Asparagaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Indirect light
- Temperature: 10–35 °C
- Toxicity: Toxic to pets
About Black mondo grass
Ophiopogon planiscapus 'Nigrescens', commonly known as Black Mondo Grass, is a low-growing perennial admired for its striking, almost black foliage, forming dense clumps. It's perfect for borders, rock gardens, or as a groundcover in shaded areas, adding dramatic contrast to the landscape. Its small, lilac summer flowers, followed by black berries, provide subtle additional interest.
Native range
Japan, Korea, and East Asia
Care tips
It thrives in partial to full shade to maintain its dark foliage color, though it can tolerate some sun if the soil is kept moist. Watering should be regular to keep the substrate consistently moist but well-drained, especially during dry periods. Use a well-draining, organically rich soil. Avoid waterlogging, as it is susceptible to root rot.
How to save a dying Black mondo grass
- Warning signs
- Pale, yellowing leaves or dry tips. Stunted growth. Rot at the base.
- First aid
- Check drainage and soil moisture. Remove damaged leaves. Place in cool, partial shade.
- What kills it
- Overwatering (root rot) and intense direct sun (burns leaves).
- Can it be saved?
- Yes, if roots aren't completely rotted and conditions are corrected.