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mondo grass with purple flowers

If you're searching for mondo grass with purple flowers, you're not alone—many gardeners appreciate the striking colour contrast these plants add to shady borders and underplantings. While true mondo grass (Ophiopogon species) is celebrated for its lush, grassy foliage and subtle flowers, finding the perfect variety to give you those eye-catching purple blooms requires knowing your options and a bit of botanical know-how. Here, we’ll demystify your choices and guide you towards stunning plants for your New Zealand garden.

Ophiopogon japonicus (Green Mondo Grass) growing as a groundcover in a woodland garden.

Ophiopogon japonicus

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Ophiopogon japonicus, commonly known as green Mondo Grass, is a striking ornamental grass. It grows as a clump and produces a dense tuft of grass-like, dark green leaves to about 25 cm tall and the same width. Ophiopogon japonicus performs best when mass planted and is commonly used in rock gardens, included in borders, planted as a ground cover, or maintained in a container.

Suited to regions: All regions
Plant type: Grasses
Height: 25 cm
Spread: 25 cm
Flowering time: Summer
Tolerances: Hardy
Garden uses: Borders, Containers, Living areas, Parks, Paths & Steps, Patios, Pool areas, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
Ophiopogon planiscapus (Mondo Grass) with lush green foliage growing as a ground cover.

Ophiopogon planiscapus

Ophiopogon planiscapus, commonly known as Dwarf Lilyturf, is a Mondo grass grown for its fine, dark green foliage and short stature. The foliage is complemented with flower spikes in summer, which bear tiny, lilac flowers as it grows to 20 cm tall and 30 cm wide. Ophiopogon planiscapus is best showcased in mass plantings and is commonly added to rock gardens, used in borders, grown as a ground cover, planted around outdoor living areas, or simply maintained in a container.

Suited to regions: All regions
Plant type: Grasses
Height: 20 cm
Spread: 30 cm
Flowering time: Summer
Tolerances: Hardy
Garden uses: Borders, Containers, Living areas, Parks, Paths & Steps, Patios, Pool areas, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
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Ophiopogon japonicus

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Acaena, Bougainvillea, and Cymbopogon, or related Categories - Evergreen Climbers, Grasses, and Mondo Grass.

Search mondo grass with purple flowers

Is There a True Mondo Grass With Purple Flowers?

The term “mondo grass” is often applied broadly to a range of tufted, grassy-looking perennials, but not all produce showy purple flowers. The most common variety, Ophiopogon japonicus, does flower, with blooms in shades of white or pale lilac that nestle within the foliage. If you’re hoping for a true low-growing, grass-like plant with more pronounced purple blooms, it's worth exploring related species.

The Liriope Connection

Many gardeners searching for mondo grass with purple flowers are actually thinking of Liriope, also known as lilyturf. While Liriope is not a true mondo grass, it shares its lush appearance and hardy, low-maintenance nature. For standout purple flower spikes, Liriope 'Royal Purple' is a top choice. This variety showcases deep green strappy foliage and highly decorative, upright spikes of intense purple that make an impressive show from late summer into autumn.

Popular Mondo Grass Varieties

If you’re drawn to the neat, fine-leaved form of mondo grass, several attractive Ophiopogon options work beautifully for groundcovers, borders, and containers:

Where to Grow Mondo Grass With Purple Flowers

Mondo grass and related varieties thrive in shaded to partially shaded spots with moist, free-draining soil. Their adaptability makes them ideal for filling gaps in difficult spots under trees, along garden borders, or in container displays. With their robust evergreen leaves and subtle seasonal blooms, they provide year-round interest and are well-suited to New Zealand’s climate.

Conclusion

While true mondo grass with intense purple flowers is rare, exploring allied species like Liriope 'Royal Purple' or distinct Ophiopogon selections will help you create vibrant, textured plantings. Browse our full range—including Ophiopogon japonicus, Ophiopogon japonicus Nana, Ophiopogon planiscapus, and Ophiopogon Silver Mist (Silver Mondo Grass)—to find the perfect groundcover for your garden. If your heart is set on plumes of bold purple, don’t overlook the show-stopping Liriope 'Royal Purple'.


Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.

Agapanthus 'Gayles Lilac' and Chamaemelum nobile (Chamomile) are beloved staples, but Mint Plant, Melicope ternata, and Leptospermum 'Burgundy Queen' bring fresh energy to any planting scheme.
–The Plant Company

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