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Mondo grass (Ophiopogon japonicus)
Mondo grass (Ophiopogon japonicus)

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Zone
Zones 5-9, 14-31, H1, H2
Full SunPartial Sun
Full, Partial
Regular Water
Moderate

Ophiopogon japonicus

Mondo Grass
Liliaceae
Evergreen, Ground covers, Ornamental grasses and grasslike plants, Perennials

OPHIOPOGON

These grasslike Asian natives are slightly less cold-hardy than their close cousins Liriope. They are easy to grow, requiring little more than well-drained soil and protection from snails and slugs. Good as informal ground cover in small areas, along paths, or in rock gardens. Attractive when planted in large sweeps in areas where lawns don’t succeed, such as under trees. They also do well in containers. Grow them for their lush, evergreen foliage; the summer flowers, borne on short spikes, are largely hidden by the leaves.

It’s easy to obtain more plants by division. Use a sharp spade to divide clumps in early spring; or use a knife to divide clumps sold in flats or cell-packs at garden centers.

Ophiopogon japonicus

Native to Japan and Korea. Forms a dense clump 6 to 8 in. high; spreads by underground stems, many of which are tuber-like. Slow to establish as ground cover. Light lilac flowers in short spikes, usually hidden by dark green leaves 8 to 12 in. long and just 1/8 in. wide. Blue fruits are round, about 1/4 in. across. If plants look shabby, mow or shear before spring growth begins. Set divisions 6 to 8 in. apart.

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