Does black mondo grass grow in shade?
Also question is, why does black mondo grass turn green?
Mondo grass (Ophiopogon japonicus) that becomes discolored or grows poorly might be suffering from root rot. This dark green, grassy perennial grows best in moist, freely draining soil. Poor drainage and overwatering cause root rot, and slugs and snails can also attack mondo grass, causing wilting.
Beside above, how do you take care of black mondo grass? How to Grow Black Mondo Grass. Space the plants about 4 inches apart, planting them in moist, well-drained soil, and immediately top-dress them with a layer of compost to help retain soil moisture. No seasonal feeding is needed. Each spring, remove the old foliage from around the plants.
In this manner, how fast does black mondo grass grow?
You can grow mondo grass from seed, but it is time-intensive. Black mondo seed has a low germination rate. It's also slow to germinate, and can take anywhere from 30-150 days. Since it's a slow-growing plant, preparing enough starts for a ground cover takes a while!
How long does it take mondo grass to spread?
Standard mondo grass reaches a mature spread up to 1 foot wide within a year or two, but dwarf mondo grass needs two to three years under ideal conditions to reach its spread of 3 to 4 inches.